Experience Next-Level Warmth - LITEGUEST Smart Heated JacketStay warm and comfortable during extreme winter conditions with the LITEGUEST Smart Heated Jacket. Featuring 27 intelligent heating zones and 4 independent control panels, this jacket delivers targeted, long-lasting warmth to your chest, back, neck, and abdomen. Perfect for outdoor enthusiasts, winter commuters, and adventurers, it keeps you cozy while skiing, snowmobiling, fishing, camping, or working in sub-zero conditions. Key Features / Why Choose LITEGUEST Smart Heated Jacket: 27-Zone Heating System: Provides full-spectrum warmth to chest, back, neck, and core. 4-Zone Independent Control: Customize heat levels for each zone to balance comfort and battery life. USB-Powered: Connect to any standard 5V power bank for energy-efficient all-day warmth. Windproof & Insulated: Durable outer shell with soft inner lining retains heat while allowing flexibility. Outdoor-Ready Design: Built for snow, rain, wind, and freezing temperatures. Usage / Outdoor Scenarios: Winter hiking, trekking, and skiing Snowboarding and snowmobiling Outdoor work, construction, or field operations Hunting, fishing, and cold-weather camping Daily urban commuting in chilly climates Benefits / Why It Matters:Provides professional-grade warmth in extreme cold, reduces fatigue, and enhances outdoor endurance. The smart heating system ensures safe, consistent comfort during extended outdoor activities. Who It&';s For: Outdoor workers, athletes, and adventurers Campers, hikers, and winter sports enthusiasts Anyone exposed to cold-weather conditions in North America Call to Action:Stay warm and perform at your best outdoors - upgrade your winter gear with the LITEGUEST Smart Heated Jacket. Specifications: Product Type: Smart Heated Jacket Heating Zones: 27 intelligent heating elements Control: 4-zone independent control panels Power Source: USB 5V (Power bank not included) Fabric: Windproof outer shell + insulated inner lining Season: Winter / Cold Weather Recommended Use: Camping, Hiking, Skiing, Snowboarding, Outdoor Work, Hunting, Fishing Safety & Reliability: Temperature-regulating chips and overheat protection Low-voltage and short-circuit safeguards Stable heating without hot spots Size Guide Converted from original cm measurements. Size Body Length (in) Chest Range (in) Shoulder (in) Sleeve (in) S 27.95 44.88-48.03 17.72 25.98 M 29.53 48.03-51.18 18.90 27.17 L 31.10 51.18-54.33 20.08 28.35 XL 32.28 55.12-58.27 21.26 29.53