{"product_id":"usb-heated-thermal-base-layer-set-men-women","title":"USB-Powered Heated Base Layer Set for Men \u0026 Women – Thermal Long Johns with Warming Zones | Thomler","description":"\u003ch2\u003eStay Warm All Day with USB-Powered Heating Technology\u003c\/h2\u003e\u003cp\u003eExperience next-level comfort with this innovative base layer set that delivers targeted warmth exactly where you need it. Featuring built-in heating elements powered by any USB source, soft knit fabric, and flatlock seams for chafe-free wear, this two-piece thermal set adapts to your comfort level throughout the day. Whether you're heading outdoors for winter sports, working in cold conditions, or simply want to stay cozy at home without cranking up the heat, this heated underwear gives you control over your personal climate. The stretchy waistband and fitted ankle cuffs keep everything in place under your clothes, while the gentle heating zones eliminate cold spots without overheating. \u003cstrong\u003ePerfect for skiing, snowboarding, outdoor work, cold-weather commuting, and everyday winter comfort.\u003c\/strong\u003e Power it from a portable battery pack, laptop, or wall adapter—no bulky battery packs required. The breathable knit construction wicks moisture while keeping you warm, and the \u003cstrong\u003eflatlock seams prevent irritation\u003c\/strong\u003e during all-day wear. Available in both men's and women's fits, this heated base layer set is your secret weapon against winter chill.\u003c\/p\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/1060\/5327\/1890\/files\/mens-electric-heated-long-johns-thermal-underwear-set-with-u-2.png?v=1790446440\" 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\u003eBuilt-In Heating Zones:\u003c\/strong\u003e Strategically placed warming elements target key areas to banish cold spots without making you overheat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUSB-A Power Connection:\u003c\/strong\u003e Plug into any power bank, laptop, or adapter—no proprietary batteries to replace or recharge separately.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlatlock Seam Construction:\u003c\/strong\u003e Smooth, flat seams reduce rubbing and skin irritation even during extended wear under multiple layers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSnug, Layerable Fit:\u003c\/strong\u003e Elastic waistband and fitted ankle cuffs create a secure base layer that stays put under work clothes or winter gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTwo-Piece Versatility:\u003c\/strong\u003e Wear the long-sleeve crew top and matching bottoms together or separately depending on your activity and temperature needs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoft Knit Fabric:\u003c\/strong\u003e Comfortable against skin all day while maintaining breathability to prevent overheating when you move.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eBuilt for Real Winter Life\u003c\/h2\u003e\u003cp\u003eThis heated thermal set works hard whether you're skiing down a mountain, building on a job site, working from a chilly home office, or commuting through freezing temperatures. The lightweight design layers invisibly under everyday clothing, while the reliable USB heating gives you warmth on demand. \u003cstrong\u003eChoose from black or heather gray in sizes S through XXXL.\u003c\/strong\u003e Each set includes both the long-sleeve crew-neck top and matching thermal bottoms. We ship orders within 24–48 hours, and every purchase is backed by our 30-day return policy and free US shipping. Stay warm your way—order yours today while supplies last.\u003c\/p\u003e","brand":"Thomler","offers":[{"title":"Black \/ Men's Set – Black \/ S","offer_id":54852708630866,"sku":"SKU_1790446437153_827","price":144.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ Men's Set – Black \/ M","offer_id":54852708663634,"sku":"SKU_1790446437153_668","price":144.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ Men's Set – Black \/ L","offer_id":54852708696402,"sku":"SKU_1790446437153_521","price":144.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ Men's Set – Black \/ XL","offer_id":54852708729170,"sku":"SKU_1790446437153_837","price":144.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ Men's Set – Black \/ XXL","offer_id":54852708761938,"sku":"SKU_1790446437153_933","price":144.95,"currency_code":"USD","in_stock":true},{"title":"Black \/ Men's Set – Black \/ 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