{"product_id":"caffrey-sub-zero-thermal-insole","title":"Caffrey Sub-Zero Thermal Insoles for Winter Boots \u0026 Shoes – Warm Felt \u0026 Aluminum Heat Reflective Insert","description":"\u003ch2 data-section-id=\"cinelp\" data-start=\"666\" data-end=\"702\"\u003eStay Warm Without Bulky Layers\u003c\/h2\u003e\n\u003cp data-start=\"703\" data-end=\"925\"\u003eCold feet can ruin your day—especially during winter in Canada and the US. These \u003cstrong data-start=\"784\" data-end=\"803\"\u003ethermal insoles\u003c\/strong\u003e are designed to \u003cstrong data-start=\"820\" data-end=\"870\"\u003etrap heat, block cold, and keep your feet warm\u003c\/strong\u003e without making your shoes feel tight or uncomfortable.\u003c\/p\u003e\n\u003chr data-start=\"927\" data-end=\"930\"\u003e\n\u003ch2 data-section-id=\"1awx63y\" data-start=\"932\" data-end=\"969\"\u003eSmart Heat Retention Technology\u003c\/h2\u003e\n\u003cp data-start=\"970\" data-end=\"1131\"\u003eThe \u003cstrong data-start=\"974\" data-end=\"1038\"\u003ealuminum base layer reflects body heat back toward your feet\u003c\/strong\u003e, while the insulating structure helps reduce heat loss—keeping warmth where it matters most.\u003c\/p\u003e\n\u003cp data-start=\"1133\" data-end=\"1237\"\u003e✔ Retains natural body heat\u003cbr data-start=\"1160\" data-end=\"1163\"\u003e✔ Shields against cold surfaces\u003cbr data-start=\"1194\" data-end=\"1197\"\u003e✔ Ideal for winter weather \u0026amp; daily use\u003c\/p\u003e\n\u003chr data-start=\"1239\" data-end=\"1242\"\u003e\n\u003ch2 data-section-id=\"1ldbqb8\" data-start=\"1244\" data-end=\"1280\"\u003eSlim Design That Fits Any Shoe\u003c\/h2\u003e\n\u003cp data-start=\"1281\" data-end=\"1378\"\u003eUnlike thick winter insoles, these feature a \u003cstrong data-start=\"1326\" data-end=\"1348\"\u003elow-profile design\u003c\/strong\u003e that fits comfortably inside:\u003c\/p\u003e\n\u003cul data-start=\"1380\" data-end=\"1440\"\u003e\n\u003cli data-section-id=\"wkmq2m\" data-start=\"1380\" data-end=\"1396\"\u003eWinter boots\u003c\/li\u003e\n\u003cli data-section-id=\"x7fam6\" data-start=\"1397\" data-end=\"1409\"\u003eSneakers\u003c\/li\u003e\n\u003cli data-section-id=\"1a082k9\" data-start=\"1410\" data-end=\"1425\"\u003eDress shoes\u003c\/li\u003e\n\u003cli data-section-id=\"18n9cjv\" data-start=\"1426\" data-end=\"1440\"\u003eWork shoes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1442\" data-end=\"1477\"\u003e👉 No need to size up your footwear\u003c\/p\u003e\n\u003chr data-start=\"1479\" data-end=\"1482\"\u003e\n\u003ch2 data-section-id=\"1kyhtmw\" data-start=\"1484\" data-end=\"1527\"\u003eSoft Felt Cushion for All-Day Comfort\u003c\/h2\u003e\n\u003cp data-start=\"1528\" data-end=\"1596\"\u003eThe premium felt top layer provides a \u003cstrong data-start=\"1566\" data-end=\"1590\"\u003esoft, cushioned feel\u003c\/strong\u003e that:\u003c\/p\u003e\n\u003cp data-start=\"1598\" data-end=\"1682\"\u003e✔ Reduces foot fatigue\u003cbr data-start=\"1620\" data-end=\"1623\"\u003e✔ Prevents friction\u003cbr data-start=\"1642\" data-end=\"1645\"\u003e✔ Enhances comfort during long wear\u003c\/p\u003e\n\u003cp data-start=\"1684\" data-end=\"1736\"\u003ePerfect for walking, commuting, or standing all day.\u003c\/p\u003e\n\u003chr data-start=\"1738\" data-end=\"1741\"\u003e\n\u003ch2 data-section-id=\"1ln08ru\" data-start=\"1743\" data-end=\"1781\"\u003eDurable Multi-Layer Construction\u003c\/h2\u003e\n\u003cp data-start=\"1782\" data-end=\"1879\"\u003eBuilt for everyday winter use, the \u003cstrong data-start=\"1817\" data-end=\"1845\"\u003efused foil + felt design\u003c\/strong\u003e ensures long-lasting performance:\u003c\/p\u003e\n\u003cp data-start=\"1881\" data-end=\"1972\"\u003e✔ No peeling or cracking\u003cbr data-start=\"1905\" data-end=\"1908\"\u003e✔ Stronger than stitched inserts\u003cbr data-start=\"1940\" data-end=\"1943\"\u003e✔ Maintains shape over time\u003c\/p\u003e\n\u003chr data-start=\"1974\" data-end=\"1977\"\u003e\n\u003ch2 data-section-id=\"1wkwg8e\" data-start=\"1979\" data-end=\"2015\"\u003eMade for US \u0026amp; Canadian Winters\u003c\/h2\u003e\n\u003cp data-start=\"2016\" data-end=\"2125\"\u003eWhether you're dealing with chilly mornings or freezing sidewalks, these insoles help keep your feet warm in:\u003c\/p\u003e\n\u003cul data-start=\"2127\" data-end=\"2197\"\u003e\n\u003cli data-section-id=\"45k9ap\" data-start=\"2127\" data-end=\"2154\"\u003eUrban winter conditions\u003c\/li\u003e\n\u003cli data-section-id=\"pdix9y\" data-start=\"2155\" data-end=\"2177\"\u003eCold indoor floors\u003c\/li\u003e\n\u003cli data-section-id=\"iz5k9o\" data-start=\"2178\" data-end=\"2197\"\u003eDaily commuting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2199\" data-end=\"2202\"\u003e\n\u003ch2 data-section-id=\"xe7s4k\" data-start=\"2204\" data-end=\"2222\"\u003ePerfect For:\u003c\/h2\u003e\n\u003cul data-start=\"2223\" data-end=\"2319\"\u003e\n\u003cli data-section-id=\"1rxvai2\" data-start=\"2223\" data-end=\"2246\"\u003eCold feet in winter\u003c\/li\u003e\n\u003cli data-section-id=\"13r7ll9\" data-start=\"2247\" data-end=\"2271\"\u003eEveryday shoe warmth\u003c\/li\u003e\n\u003cli data-section-id=\"jdzv1x\" data-start=\"2272\" data-end=\"2296\"\u003eOffice \u0026amp; outdoor use\u003c\/li\u003e\n\u003cli data-section-id=\"16exnvf\" data-start=\"2297\" data-end=\"2319\"\u003eTravel \u0026amp; commuting\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2321\" data-end=\"2324\"\u003e\n\u003ch2 data-section-id=\"1eo5qoa\" data-start=\"2326\" data-end=\"2344\"\u003eFit \u0026amp; Sizing\u003c\/h2\u003e\n\u003cul data-start=\"2345\" data-end=\"2459\"\u003e\n\u003cli data-section-id=\"6el88s\" data-start=\"2345\" data-end=\"2373\"\u003eSuitable for men \u0026amp; women\u003c\/li\u003e\n\u003cli data-section-id=\"slw4hw\" data-start=\"2374\" data-end=\"2428\"\u003eTrim-to-fit design (if applicable—confirm if true)\u003c\/li\u003e\n\u003cli data-section-id=\"16ez0ef\" data-start=\"2429\" data-end=\"2459\"\u003eWorks with most shoe types\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2461\" data-end=\"2464\"\u003e\n\u003ch2 data-section-id=\"x4otmk\" data-start=\"2466\" data-end=\"2491\"\u003eWhy Choose Caffrey?\u003c\/h2\u003e\n\u003cp data-start=\"2492\" data-end=\"2598\"\u003e✔ Designed for comfort \u0026amp; protection\u003cbr data-start=\"2527\" data-end=\"2530\"\u003e✔ Premium materials for durability\u003cbr data-start=\"2564\" data-end=\"2567\"\u003e✔ Built for real everyday use\u003c\/p\u003e","brand":"Caffrey","offers":[{"title":"4","offer_id":42388761444422,"sku":"","price":15.0,"currency_code":"USD","in_stock":true},{"title":"5","offer_id":42388761477190,"sku":"","price":15.0,"currency_code":"USD","in_stock":true},{"title":"6","offer_id":42388761509958,"sku":"","price":15.0,"currency_code":"USD","in_stock":true},{"title":"7","offer_id":42388761542726,"sku":"","price":15.0,"currency_code":"USD","in_stock":true},{"title":"8","offer_id":42388761575494,"sku":"","price":15.0,"currency_code":"USD","in_stock":true},{"title":"9","offer_id":42388761608262,"sku":"","price":15.0,"currency_code":"USD","in_stock":true},{"title":"10","offer_id":42388761641030,"sku":"","price":15.0,"currency_code":"USD","in_stock":true},{"title":"11","offer_id":42388761673798,"sku":"","price":15.0,"currency_code":"USD","in_stock":true},{"title":"12","offer_id":42388761706566,"sku":"","price":15.0,"currency_code":"USD","in_stock":true},{"title":"13","offer_id":42388761739334,"sku":"","price":15.0,"currency_code":"USD","in_stock":true},{"title":"14","offer_id":42388761772102,"sku":"","price":15.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0593\/4556\/7814\/files\/thermal_insoles.png?v=1777912496","url":"https:\/\/caffreybrand.com\/products\/caffrey-sub-zero-thermal-insole","provider":"Caffrey","version":"1.0","type":"link"}