{"product_id":"usb-rechargeable-heated-insoles-for-winter-customizable-electric-shoe-inserts-size-35-46-foot-warmers-for-outdoor-skiing","title":"USB Heated Insoles, Cut to Fit","description":"\u003cp\u003eCold feet make a long day feel longer. The EmberThreads USB Heated Insoles slip into the shoes you already own and warm you from the ground up. Thin carbon fiber heating elements sit inside a 4 mm insole, so your boots still fit comfortably while your toes stay warm. They are a natural fit for work boots, hunting and fishing boots, snow boots, and everyday winter sneakers. Because they move with you from shoe to shoe, one pair can serve the whole winter season.\u003c\/p\u003e\u003cp\u003eEach pair comes in two size ranges, EU 35 to 40 and EU 41 to 46, and you can trim along the printed shoe lines for a precise fit. Charging is simple with the included USB cable, and the low-voltage design runs at a maximum of 4.5V. The unisex black design works in nearly any shoe. Allow for a small margin when measuring, since sizes can vary slightly between brands.\u003c\/p\u003e\u003cp\u003eKeep the insoles dry, and remove them from your shoes to air out between uses. For safety, start on the lowest setting, never use it while sleeping, and check your skin during longer sessions. If you have reduced sensitivity to heat, check with your doctor before use. People with diabetes or poor circulation in the feet should talk to a doctor before using heated insoles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHeating element: Carbon fiber\u003c\/li\u003e\n\u003cli\u003eThickness: About 4 mm\u003c\/li\u003e\n\u003cli\u003eMax voltage: 4.5V\u003c\/li\u003e\n\u003cli\u003eSizes: EU 35 to 40, EU 41 to 46 (cut to fit)\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eIn the box: 1 pair of insoles, 1 USB cable\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EmberThreads","offers":[{"title":"EU 41–46","offer_id":50786486485249,"sku":null,"price":152.99,"currency_code":"USD","in_stock":true},{"title":"EU 35–40","offer_id":50786486518017,"sku":null,"price":152.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0847\/9971\/7633\/files\/hf_20261019_193539_bd247dd1-ca23-45e7-ab40-9566f0fe69f2.png?v=1792439328","url":"https:\/\/www.emberthreadsapparel.store\/products\/usb-rechargeable-heated-insoles-for-winter-customizable-electric-shoe-inserts-size-35-46-foot-warmers-for-outdoor-skiing","provider":"EmberThreads","version":"1.0","type":"link"}