{"product_id":"usb-rechargeable-warming-foot-liners-trimmable-carbon-fiber","title":"Battery-Powered Warming Foot Liners – Trimmable Carbon Fiber Boot Inserts with USB Charging for Cold Weather Activities | Thomler","description":"\u003ch2\u003eKeep Your Feet Toasty All Day Long\u003c\/h2\u003e\u003cp\u003eWhen frigid temperatures threaten your outdoor plans, these rechargeable warming foot liners deliver on-demand heat right where you need it. Built with carbon fiber technology and designed to fit any footwear from sneakers to winter boots, they transform cold-weather discomfort into warm, confident steps. Simply charge via USB, slip them into your shoes, and enjoy hours of gentle, consistent warmth whether you're commuting, hiking, working outdoors, or watching winter sports. The ultra-thin profile means \u003cstrong\u003eno bulk\u003c\/strong\u003e, just \u003cstrong\u003ereliable comfort\u003c\/strong\u003e that keeps you active when the temperature drops.\u003c\/p\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1060\/5327\/1890\/files\/Sff7f65f888c14f57b75aac1b54581e6dz.webp?v=1793053732\" alt=\"\" style=\"width:100%;max-width:100%;height:auto;display:block;margin:24px 0;\"\u003e\u003ch2\u003eWhy You Need This\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom Fit for Any Shoe:\u003c\/strong\u003e Trim-to-size design fits men's and women's footwear from US size 4.5 to 12.5, ensuring a perfect match for every member of the family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRechargeable Convenience:\u003c\/strong\u003e USB charging cable included means no batteries to buy—just plug in after use and you're ready for your next adventure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafe, Steady Warmth:\u003c\/strong\u003e Low-voltage heating element provides gentle, even heat distribution without hot spots or safety concerns.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLightweight \u0026amp; Undetectable:\u003c\/strong\u003e At just 0.16 inches thick, these liners disappear inside your footwear while delivering noticeable warmth.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt for Active Lifestyles:\u003c\/strong\u003e Carbon fiber construction stands up to daily wear, moisture, and the demands of outdoor activities from skiing to tailgating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Works with any shoe style—work boots, running shoes, dress shoes, hiking boots, or casual sneakers.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDesigned for Real Winter Comfort\u003c\/h2\u003e\u003cp\u003eWe know cold feet can ruin your day, which is why these warming liners are engineered for practicality. The durable carbon fiber material resists wear while conducting heat efficiently across your entire foot. The simple USB charging system means you can power up at home, in the car, or at the office—wherever you have a USB port. Whether you're standing outdoors for hours, walking through snowy streets, or simply prone to cold feet, these liners give you control over your comfort. They arrive ready to use with everything you need in the box, and our US-based support team is here to help. Plus, enjoy free shipping across the United States and a 30-day return window if they're not the perfect fit for your lifestyle.\u003c\/p\u003e","brand":"Thomler","offers":[{"title":"Large – US 9.5–12.5 (EU 41–46)","offer_id":55222289531218,"sku":null,"price":43.0,"currency_code":"CAD","in_stock":true},{"title":"Small\/Medium – US 4.5–9 (EU 35–40)","offer_id":55222289563986,"sku":null,"price":43.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1060\/5327\/1890\/files\/Sadce0286321743d4bc314a049a89dfe0f.webp?v=1793053732","url":"https:\/\/thomler.com\/en-ca\/products\/usb-rechargeable-warming-foot-liners-trimmable-carbon-fiber","provider":"Thomler","version":"1.0","type":"link"}