{"id":19461,"date":"2025-10-28T22:38:46","date_gmt":"2025-10-28T15:38:46","guid":{"rendered":"https:\/\/yellowdoctor.com\/?post_type=product&#038;p=19461"},"modified":"2025-10-31T16:03:03","modified_gmt":"2025-10-31T09:03:03","slug":"walk-4-8-upgrade","status":"publish","type":"product","link":"https:\/\/yellowdoctor.com\/en\/product\/walk-4-8-upgrade\/","title":{"rendered":"Walk 4.8 (Upgrade)"},"content":{"rendered":"<p style=\"text-align: left;\" data-start=\"0\" data-end=\"54\"><strong data-start=\"0\" data-end=\"13\">Material:<\/strong>\u00a0Bamboo fiber, OrthoLite, Neo-Flex, TPE<\/p>\n<p style=\"text-align: left;\" data-start=\"56\" data-end=\"192\">The insole features\u00a0<strong data-start=\"76\" data-end=\"95\">Archtap buttons<\/strong>\u00a0underneath, enhancing comfort and providing a gentle\u00a0<strong data-start=\"149\" data-end=\"178\">mechanical massage effect<\/strong>\u00a0during use.<\/p>\n<p style=\"text-align: left;\" data-start=\"194\" data-end=\"325\"><strong data-start=\"194\" data-end=\"203\">Note:<\/strong>\u00a0Remove the original insole before inserting the\u00a0<strong data-start=\"252\" data-end=\"273\">Yellow Dr. insole<\/strong>. Discontinue use if itching or irritation occurs.<\/p>\n<p style=\"text-align: left;\" data-start=\"327\" data-end=\"368\"><strong data-start=\"327\" data-end=\"366\">Made in Korea, packaged in Vietnam.<\/strong><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-19622 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/01-Domino-Effect-GIF-1000-1.gif\" alt=\"\" width=\"1000\" height=\"561\" \/><\/p>\n<p data-start=\"327\" data-end=\"368\">\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img decoding=\"async\" class=\"alignnone wp-image-19624\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/02-6.png\" alt=\"\" width=\"1000\" height=\"1718\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/02-6.png 1647w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/02-6-175x300.png 175w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/02-6-596x1024.png 596w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/02-6-768x1320.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/02-6-894x1536.png 894w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/02-6-1192x2048.png 1192w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/02-6-600x1031.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p data-start=\"327\" data-end=\"368\">\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img decoding=\"async\" class=\"alignnone wp-image-19626\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/03-7-1024x576.png\" alt=\"\" width=\"1000\" height=\"562\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/03-7-1024x576.png 1024w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/03-7-300x169.png 300w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/03-7-768x432.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/03-7-600x337.png 600w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/03-7.png 1199w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p data-start=\"327\" data-end=\"368\">\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19628\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.1-2-1024x576.png\" alt=\"\" width=\"1000\" height=\"562\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.1-2-1024x576.png 1024w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.1-2-300x169.png 300w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.1-2-768x432.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.1-2-600x337.png 600w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.1-2.png 1202w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p data-start=\"327\" data-end=\"368\">\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19630\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.2-2.png\" alt=\"\" width=\"1000\" height=\"1414\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.2-2.png 2001w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.2-2-212x300.png 212w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.2-2-724x1024.png 724w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.2-2-768x1086.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.2-2-1086x1536.png 1086w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.2-2-1448x2048.png 1448w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.2-2-600x849.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p data-start=\"327\" data-end=\"368\">\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19632\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.3-1.png\" alt=\"\" width=\"1000\" height=\"1456\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.3-1.png 1944w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.3-1-206x300.png 206w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.3-1-703x1024.png 703w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.3-1-768x1118.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.3-1-1055x1536.png 1055w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.3-1-1407x2048.png 1407w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.3-1-600x873.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p data-start=\"327\" data-end=\"368\">\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19634\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.4-1.png\" alt=\"\" width=\"1000\" height=\"1513\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.4-1.png 2001w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.4-1-198x300.png 198w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.4-1-677x1024.png 677w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.4-1-768x1162.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.4-1-1015x1536.png 1015w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.4-1-1353x2048.png 1353w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/04.4-1-600x908.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p data-start=\"327\" data-end=\"368\">\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19636\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/05-3.png\" alt=\"\" width=\"1000\" height=\"1641\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/05-3.png 1724w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/05-3-183x300.png 183w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/05-3-624x1024.png 624w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/05-3-768x1260.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/05-3-936x1536.png 936w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/05-3-1248x2048.png 1248w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/05-3-600x985.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p data-start=\"327\" data-end=\"368\">\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19639\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/06-7.png\" alt=\"\" width=\"1000\" height=\"2027\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/06-7.png 1985w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/06-7-148x300.png 148w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/06-7-505x1024.png 505w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/06-7-768x1557.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/06-7-758x1536.png 758w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/06-7-1011x2048.png 1011w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/06-7-600x1216.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p data-start=\"327\" data-end=\"368\">\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19641 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/07-Massaging-Effect-GIF-1000-1.gif\" alt=\"\" width=\"1000\" height=\"559\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19643\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/08-5.png\" alt=\"\" width=\"1000\" height=\"1178\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/08-5.png 2000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/08-5-255x300.png 255w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/08-5-869x1024.png 869w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/08-5-768x905.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/08-5-1303x1536.png 1303w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/08-5-1738x2048.png 1738w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/08-5-600x707.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19645 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/09-Mo-ta-san-pham-VN-1-1.gif\" alt=\"\" width=\"1000\" height=\"561\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19707 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/10-Cac-nhom-vom-chan-khac-nha-GIF-Speed-down-30.gif\" alt=\"\" width=\"1000\" height=\"535\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19649 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/11-3.png\" alt=\"\" width=\"1000\" height=\"684\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/11-3.png 1000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/11-3-300x205.png 300w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/11-3-768x525.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/11-3-600x410.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19651 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/12-Mo-ta-san-pham-VN-2-1.gif\" alt=\"\" width=\"1000\" height=\"560\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19653\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/13-2.png\" alt=\"\" width=\"1000\" height=\"1041\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/13-2.png 1003w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/13-2-288x300.png 288w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/13-2-984x1024.png 984w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/13-2-768x799.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/13-2-600x625.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19655\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/14-2.png\" alt=\"\" width=\"1000\" height=\"1415\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/14-2.png 2000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/14-2-212x300.png 212w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/14-2-724x1024.png 724w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/14-2-768x1086.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/14-2-1086x1536.png 1086w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/14-2-1448x2048.png 1448w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/14-2-600x849.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19657 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/15-Calves-Size-Reduction-GIF-1000-1.gif\" alt=\"\" width=\"1000\" height=\"541\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19659 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/16-2.png\" alt=\"\" width=\"1000\" height=\"564\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/16-2.png 1000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/16-2-300x169.png 300w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/16-2-768x433.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/16-2-600x338.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19661 size-large\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/17-1-1024x981.png\" alt=\"\" width=\"1024\" height=\"981\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/17-1-1024x981.png 1024w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/17-1-300x287.png 300w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/17-1-768x735.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/17-1-1536x1471.png 1536w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/17-1-600x575.png 600w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/17-1.png 2001w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19663\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/18-1.png\" alt=\"\" width=\"1000\" height=\"1157\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/18-1.png 2001w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/18-1-259x300.png 259w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/18-1-885x1024.png 885w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/18-1-768x889.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/18-1-1327x1536.png 1327w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/18-1-1769x2048.png 1769w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/18-1-600x694.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19665\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/19-20.png\" alt=\"\" width=\"1000\" height=\"1742\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/19-20.png 1974w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/19-20-172x300.png 172w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/19-20-588x1024.png 588w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/19-20-768x1338.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/19-20-882x1536.png 882w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/19-20-1176x2048.png 1176w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/19-20-600x1045.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19667 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/21.1-1.png\" alt=\"\" width=\"1000\" height=\"484\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/21.1-1.png 1000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/21.1-1-300x145.png 300w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/21.1-1-768x372.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/21.1-1-600x290.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19669 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/21.2-1.png\" alt=\"\" width=\"1000\" height=\"1420\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/21.2-1.png 1000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/21.2-1-211x300.png 211w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/21.2-1-721x1024.png 721w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/21.2-1-768x1091.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/21.2-1-600x852.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19671 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/22-2.png\" alt=\"\" width=\"1000\" height=\"1656\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/22-2.png 1000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/22-2-181x300.png 181w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/22-2-618x1024.png 618w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/22-2-768x1272.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/22-2-928x1536.png 928w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/22-2-600x994.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19673 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/23-1.png\" alt=\"\" width=\"1000\" height=\"503\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/23-1.png 1000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/23-1-300x151.png 300w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/23-1-768x386.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/23-1-600x302.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19675 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/24-2.png\" alt=\"\" width=\"1000\" height=\"1370\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/24-2.png 1000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/24-2-219x300.png 219w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/24-2-747x1024.png 747w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/24-2-768x1052.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/24-2-600x822.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19677 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/25-Before-After-Video-GIF-1000-1.gif\" alt=\"\" width=\"1000\" height=\"541\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19679\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/26-2.png\" alt=\"\" width=\"1000\" height=\"1656\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/26-2.png 1709w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/26-2-181x300.png 181w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/26-2-618x1024.png 618w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/26-2-768x1272.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/26-2-928x1536.png 928w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/26-2-1237x2048.png 1237w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/26-2-600x994.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19681\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/27-2.png\" alt=\"\" width=\"1000\" height=\"1201\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/27-2.png 1813w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/27-2-250x300.png 250w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/27-2-853x1024.png 853w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/27-2-768x922.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/27-2-1279x1536.png 1279w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/27-2-1706x2048.png 1706w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/27-2-600x720.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19683\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/28-2.png\" alt=\"\" width=\"1000\" height=\"1258\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/28-2.png 1813w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/28-2-239x300.png 239w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/28-2-814x1024.png 814w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/28-2-768x966.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/28-2-1221x1536.png 1221w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/28-2-1629x2048.png 1629w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/28-2-600x755.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19685 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/29-2.png\" alt=\"\" width=\"1000\" height=\"1695\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/29-2.png 1000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/29-2-177x300.png 177w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/29-2-604x1024.png 604w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/29-2-768x1302.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/29-2-906x1536.png 906w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/29-2-600x1017.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19687 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/30-2.png\" alt=\"\" width=\"1000\" height=\"617\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/30-2.png 1000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/30-2-300x185.png 300w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/30-2-768x474.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/30-2-600x370.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19689 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/31-2.png\" alt=\"\" width=\"1000\" height=\"643\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/31-2.png 1000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/31-2-300x193.png 300w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/31-2-768x494.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/31-2-600x386.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19691\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/32-2.png\" alt=\"\" width=\"1000\" height=\"1246\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/32-2.png 2000w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/32-2-241x300.png 241w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/32-2-822x1024.png 822w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/32-2-768x957.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/32-2-1233x1536.png 1233w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/32-2-1644x2048.png 1644w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/32-2-600x748.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19693\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/33-2.png\" alt=\"\" width=\"1000\" height=\"1321\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/33-2.png 2001w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/33-2-227x300.png 227w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/33-2-775x1024.png 775w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/33-2-768x1015.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/33-2-1162x1536.png 1162w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/33-2-1550x2048.png 1550w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/33-2-600x793.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19695\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/35-3.png\" alt=\"\" width=\"1000\" height=\"1180\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/35-3.png 2001w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/35-3-254x300.png 254w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/35-3-867x1024.png 867w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/35-3-768x907.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/35-3-1301x1536.png 1301w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/35-3-1735x2048.png 1735w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/35-3-600x708.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-19697\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/36-1-1024x714.png\" alt=\"\" width=\"1000\" height=\"697\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/36-1-1024x714.png 1024w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/36-1-300x209.png 300w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/36-1-768x535.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/36-1-1536x1071.png 1536w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/36-1-600x418.png 600w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/36-1.png 2000w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19699\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/37-1.png\" alt=\"\" width=\"1000\" height=\"1558\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/37-1.png 1747w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/37-1-193x300.png 193w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/37-1-657x1024.png 657w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/37-1-768x1197.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/37-1-986x1536.png 986w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/37-1-1314x2048.png 1314w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/37-1-600x935.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19701 size-full\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/38-Materials-GIF-1000-1.gif\" alt=\"\" width=\"1000\" height=\"559\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-19703\" src=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/39-1.png\" alt=\"\" width=\"1000\" height=\"1581\" srcset=\"https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/39-1.png 1722w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/39-1-190x300.png 190w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/39-1-648x1024.png 648w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/39-1-768x1214.png 768w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/39-1-972x1536.png 972w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/39-1-1296x2048.png 1296w, https:\/\/yellowdoctor.com\/wp-content\/uploads\/2025\/10\/39-1-600x948.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<p style=\"text-align: center;\" data-start=\"327\" data-end=\"368\">\n","protected":false},"excerpt":{"rendered":"<p data-start=\"0\" data-end=\"158\">Experience every step in ultimate comfort with Yellow Dr. Walk 4.8 &#8211; the world\u2019s only functional insole featuring automatic foot massage technology. The Upgrade version now features detachable Archtap buttons, enabling\u00a0you to customize arch height up to 4 levels, providing more flexibility than the previous Walk 4.8 (Basic) model.<\/p>\n<p data-start=\"0\" data-end=\"158\">What makes Yellow Dr. different:<\/p>\n<ul style=\"list-style-type: circle;\">\n<li data-start=\"0\" data-end=\"158\"><strong data-start=\"406\" data-end=\"424\" data-is-only-node=\"\">Archtap design<\/strong> absorbs impact and reduces pressure on your feet<\/li>\n<li data-start=\"0\" data-end=\"158\"><strong data-start=\"478\" data-end=\"502\">Elastic arch support<\/strong> helps relieve fatigue and discomfort<\/li>\n<li data-start=\"0\" data-end=\"158\"><strong data-start=\"544\" data-end=\"583\">Instantly improves posture and gait<\/strong> from the moment you put them on<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>The product includes:<\/p>\n<ul style=\"list-style-type: circle;\">\n<li>Insole: 01 set<\/li>\n<li>Separate Archtap: 02 pairs (one black, one red)<\/li>\n<li>Usage Instruction Sheet<\/li>\n<li>Size of cutting paper<\/li>\n<li>2-sided sticker<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":18884,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[120],"product_cat":[121],"product_tag":[],"class_list":{"0":"post-19461","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product-caption-recommend","7":"product_brand-walk-4-8-en","8":"product_cat-walk-4-8-en","9":"pa_size-l-en-2","10":"pa_size-m-en-2","11":"pa_size-s-en-2","12":"pa_size-xs-en-2","14":"first","15":"instock","16":"sale","17":"shipping-taxable","18":"purchasable","19":"product-type-variable"},"acf":[],"_links":{"self":[{"href":"https:\/\/yellowdoctor.com\/en\/wp-json\/wp\/v2\/product\/19461","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yellowdoctor.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/yellowdoctor.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/yellowdoctor.com\/en\/wp-json\/wp\/v2\/comments?post=19461"}],"version-history":[{"count":6,"href":"https:\/\/yellowdoctor.com\/en\/wp-json\/wp\/v2\/product\/19461\/revisions"}],"predecessor-version":[{"id":19714,"href":"https:\/\/yellowdoctor.com\/en\/wp-json\/wp\/v2\/product\/19461\/revisions\/19714"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yellowdoctor.com\/en\/wp-json\/wp\/v2\/media\/18884"}],"wp:attachment":[{"href":"https:\/\/yellowdoctor.com\/en\/wp-json\/wp\/v2\/media?parent=19461"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/yellowdoctor.com\/en\/wp-json\/wp\/v2\/product_brand?post=19461"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/yellowdoctor.com\/en\/wp-json\/wp\/v2\/product_cat?post=19461"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/yellowdoctor.com\/en\/wp-json\/wp\/v2\/product_tag?post=19461"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}