Volt Heat 5V Tactical Heated Base Layer Thermal T-shirt for Men

This lightweight garment will not only provide you with soothing heat but also wicks away moisture to keep you dry making it the perfect base layer choice. Constructed with a Micro polyester/spandex material with a brushed fleece lining that contributes to making it a really comfortable fit. The Zero Layer heating system uses four 5v heating panels concentrating heat down the middle of the back to help keep your core warm. Includes VB5TEN 5v 10,000mAh USB powerbank battery and charging cable the provides soothing heat on high for 5+ hours and 10+ hours on the lowest setting Micro polyester/spandex material with a brushed fleece lining A large four-panel heating system centered in the back of the garment Safe & Durable 5v Heating Technology Machine Washable External push button controller switch with 3 power level settings APPROXIMATE HEAT OUTPUT/RUN TIMES: High (RED) = 150º F for 5+ hours Medium (BLUE) = 130º for 7+ hours Low (GREEN) = 115º for 10+ hours Zero Layer® heat system eliminates bulk while providing more efficient heat transfer.