{"product_id":"usb-heated-thermal-underwear-set-3-temperature-settings-winter-warming-base-layer-for-men","title":"USB Heated Thermal Underwear Set - 3 Temperature Settings | Winter Warming Base Layer for Men","description":"Quick Features\u003cbr\u003e\n- 🌡️ 3-Level Temperature Control (35-55°C)\u003cbr\u003e\n- ⚡ USB-Powered (5V\/2.4A compatible)\u003cbr\u003e\n- 🔥 30-Second Heat Activation\u003cbr\u003e\n- 💪 Targeted Heating: Knees, Back \u0026amp; Waist\u003cbr\u003e\n- 🛡️ Built-in Safety Protection\u003cbr\u003e\n- 🧺 Machine Washable\u003cbr\u003e\n\u003cbr\u003e\nProduct Description\u003cbr\u003e\nStay warm and comfortable in any winter activity with our advanced USB heated thermal underwear. Designed for both men and women, this innovative base layer combines premium comfort with smart heating technology.\u003cbr\u003e\n\u003cbr\u003e\nAdvanced Heating Technology\u003cbr\u003e\n- Rapid 30-second heat activation\u003cbr\u003e\n- Three temperature settings with LED indicators:\u003cbr\u003e\n  - High: 45-55°C (Red LED)\u003cbr\u003e\n  - Medium: 40-50°C (Blue LED)\u003cbr\u003e\n  - Low: 35-45°C (White LED)\u003cbr\u003e\n- Strategic heating zones: knees, back, and waist\u003cbr\u003e\n- 6-7 hours of continuous heat with 10000mAh power bank (not included)\u003cbr\u003e\n\u003cbr\u003e\nSafety \u0026amp; Comfort\u003cbr\u003e\n- Premium blend: 95% Cotton + 5% Spandex with carbon fiber heating\u003cbr\u003e\n- 5V safety voltage with overheat protection\u003cbr\u003e\n- Auto temperature regulation\u003cbr\u003e\n- Machine washable with protective features\u003cbr\u003e\n- Compatible with standard USB power banks\u003cbr\u003e\n\u003cbr\u003e\nPerfect For\u003cbr\u003e\n- Winter Sports: Skiing, Snowboarding\u003cbr\u003e\n- Outdoor Activities: Hiking, Hunting, Fishing\u003cbr\u003e\n- Daily Use: Walking, Running, Commuting\u003cbr\u003e\n- Health Benefits: Aids circulation, helps with joint stiffness\u003cbr\u003e\n- Medical Conditions: Suitable for Raynaud's disease, arthritis\u003cbr\u003e\n\u003cbr\u003e\nSpecifications\u003cbr\u003e\n- Available Colors: Black, Gray\u003cbr\u003e\n- Sizes: S to 5XL\u003cbr\u003e\n- Season: Autumn\/Winter\u003cbr\u003e\n- Power Source: Any 5V\/2.4A USB power bank (not included)\u003cbr\u003e\n\u003cbr\u003e\nWhat's in the Box\u003cbr\u003e\nChoose from:\u003cbr\u003e\n- Heated Thermal Top\u003cbr\u003e\n- Heated Thermal Pants\u003cbr\u003e\n- Complete Set (Top \u0026amp; Pants)\u003cbr\u003e\n\u003cbr\u003e\nCare Instructions\u003cbr\u003e\n1. Remove power bank before washing\u003cbr\u003e\n2. Use laundry bag for machine washing\u003cbr\u003e\n3. Avoid harsh detergents\u003cbr\u003e\n4. Air dry recommended\u003cbr\u003e\n5. Store in cool, dry place\u003cbr\u003e\n\u003cbr\u003e\nUsage Guide\u003cbr\u003e\n1. Fully charge your power bank\u003cbr\u003e\n2. Connect to USB port in pocket\u003cbr\u003e\n3. Press power button for 3 seconds\u003cbr\u003e\n4. Select temperature (Red→Blue→White LED)\u003cbr\u003e\n5. Enjoy consistent warmth\u003cbr\u003e\n\u003cbr\u003e\nNote: Battery life varies based on temperature setting and power bank capacity. For optimal performance, use a 10000mAh or higher capacity power bank.\u003cbr\u003e\n\u003cbr\u003e\nKeywords: heated underwear, thermal base layer, USB heated clothing, winter sports gear, heated apparel, thermal wear, electric heating clothes, winter warmth, thermal protection, heated base layer\u003cbr\u003e\n\u003cbr\u003e\n\u003cstyle type=\"text\/css\"\u003etable {\n    width: 100%;\n    border-collapse: collapse;\n    margin: 20px 0;\n    background-color: #e8f5e9;\n    font-family: Arial, sans-serif;\n  }\n  \n  th {\n    background-color: #2e7d32;\n    color: white;\n    padding: 12px;\n    text-align: left;\n    border: 1px solid #81c784;\n  }\n  \n  td {\n    padding: 10px;\n    border: 1px solid #81c784;\n  }\n  \n  h2 {\n    color: #2e7d32;\n    margin-top: 30px;\n  }\n  \n  .note {\n    font-style: italic;\n    margin-top: 20px;\n    color: #555;\n  }\n\u003c\/style\u003e\n\u003ch2\u003eMen's Tops Size Chart\u003c\/h2\u003e\n\n\u003ctable\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003cth\u003eSize\/Height\u003c\/th\u003e\n\t\t\t\u003cth\u003eLength\u003c\/th\u003e\n\t\t\t\u003cth\u003eChest\u003c\/th\u003e\n\t\t\t\u003cth\u003eSleeve\u003c\/th\u003e\n\t\t\t\u003cth\u003eWeight (lbs)\u003c\/th\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eM\/65\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e24.8\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e37.8\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e21.9\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e110-121\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eL\/67\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e25.6\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e39.4\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e22.4\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e132-143\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eXL\/69\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e26.4\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e40.9\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e23.1\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e154-165\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e2XL\/71\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e27.2\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e42.5\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e23.6\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e171-176\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e3XL\/73\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e28.0\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e44.1\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e24.2\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e182-193\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e4XL\/75\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e28.3\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e45.7\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e24.6\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e198-209\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e5XL\/77\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e28.7\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e47.2\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e25.0\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e215-226\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eMen's Pants Size Chart\u003c\/h2\u003e\n\n\u003ctable\u003e\n\t\u003ctbody\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003cth\u003eSize\/Height\u003c\/th\u003e\n\t\t\t\u003cth\u003eLength\u003c\/th\u003e\n\t\t\t\u003cth\u003eWaist\u003c\/th\u003e\n\t\t\t\u003cth\u003eHip\u003c\/th\u003e\n\t\t\t\u003cth\u003eWeight (lbs)\u003c\/th\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eM\/65\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e37.8\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e21.7\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e34.6\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e110-121\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eL\/67\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e38.2\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e22.8\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e36.2\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e132-143\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003eXL\/69\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e38.6\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e24.0\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e37.8\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e154-165\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e2XL\/71\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e39.0\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e25.2\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e39.4\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e171-176\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e3XL\/73\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e39.4\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e26.4\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e40.9\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e182-193\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e4XL\/75\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e39.8\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e27.6\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e42.5\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e198-209\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\t\u003ctr\u003e\n\t\t\t\u003ctd\u003e5XL\/77\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e40.2\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e28.7\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e44.1\"\u003c\/td\u003e\n\t\t\t\u003ctd\u003e215-226\u003c\/td\u003e\n\t\t\u003c\/tr\u003e\n\t\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cstyle 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