Features: Soft and Breathable,make from soft and breathable materials. Elastic hems seal in the heat without restricting ranges of motion. Heat Across Body:carbon fiber heating parts generate heat across cores body areas (left and right chest, middle back); Adjust three heating settings (High, mediums, low) with just a simple press of the button. Quick and Long-Lasting Warmth: Heats up in seconds and stays powered for up to 10 hours on a full charges.USB port for charging your smart phone or other mobile devices. Versatile Layers for All Occasions: From alpines mountains to the concrete jungle, use it as a middle layer on chilly days or a stand-alone jackets in mild weather. Stay warm and look good doing it. Easy Care: Machine washable; The heating parts and jackets construction are designed to endure 50+ machine wash cycles. Specifications: Materials:Polyester Package Includes: 1Piece Heated Fleece jackets with Battery note: Please allow 1-2cm errors due to manual measurement. Due to the differences betweeen different monitors,the picture may not reflect the actual colour of the item.