Fast Heating & Stylish in the Outdoors: Warm heated vest for you to enjoy outdoor activities like camping, hunting, fishing, skiing, hiking in the cold and chilly winter. Great as an outer wear or a comfy base layer. Skin-Friendly Material and Neat Design: Made of lightweight Carbon fibre, windproof and waterproof, machine and hand washable. Comfortable and smooth to touch, warmth to last all winter without the bulk of heavy coat. Features side pockets to store power bank (power bank is NOT included). Warm Care: Built-in 5 pieces heat pad quickly warm up, helps promote blood circulation and relieves muscles, shoulder and back discomfort. There are 3 available settings can be adjusted temperature levels by the button LED lights, red - warm, blue - comfort, green- energy. USB plug is compatible with most power banks in the market with output of 5V/2.1A, which enables quick smooth electric warmth without radiation. Size Chart: Material: Polyester Size S: Length - 58cm/22.8inch Bust - 90cm/35.4inch Shoulder - 38cm/15inch Size M: Length - 60cm/23.6inch Bust - 94cm/37inch Shoulder - 39cm/15.4inch Size L: Length - 62cm/24.4inch Bust - 98cm/38.6inch Shoulder - 40cm/15.7inch Size XL: Length - 64cm/25.2inch Bust - 102cm/40.2inch Shoulder - 41cm/16.1inch Size XXL: Length - 66cm/26inch Bust - 106cm/41.7inch Shoulder - 42.5cm/16.7inch Package Includes: 1 Piece Heated Vest(Power Bank Not Included)