Outdoor USB Heating Vest Warming Vest Winter Flexible Electric Thermal Clothing Fishing Hiking Warm Clothes Upgraded heating elements generating heat from the abdomen and back to make you feel warm in 360 degrees. One button for 3 heating settings, made of soft skin-friendly material which ensures smooth and comfortable feeling. Features: Activates various functions between skin and promotes metabolism. Vitality restoration: it provides deeper adjustment of physiological functions to avoids sub-health state and restore the vitality. Set the temperature you want to respond to a variety of environments. A button to heating, three stall temperature control, intelligent heating. General USB interface, longer service time. Comfortable and breathable, and it's a nice partner for your winter going out. The product can be soaked and washed as a whole, and the power interface is treated with insulation and waterproof. Specifictions: Size: M, L, XL, 2XL, 3XL, 4XL, 5XL, 6XL (optional) Color: black Main material: polyester Interface: USB Temperature shift: Warm: 45-55 Degrees (Red Light) Comfort: 38-45 Degrees (White Light) Energy saving: 35-38 Degrees (Blue Light) Length: M: 660mm L: 680mm XL: 700mm 2XL: 720mm 3XL: 740mm 4XL: 760mm 5XL: 780mm 6XL: 800mm Shoulder: M: 444mm L: 456mm XL: 468mm 2XL: 480mm 3XL: 492mm 4XL: 504mm 5XL: 516mm 6XL: 528mm Bust: M: 1.08m L: 1.12m XL: 1.16m 2XL: 1.20m 3XL: 1.24m 4XL: 1.28m 5XL: 1.32m 6XL: 1.36m Hem: M: 1.04m L: 1.08m XL: 1.12m 2XL: 1.16m 3XL: 1.20m 4XL: 1.24m 5XL: 1.28m 6XL: 1.32m Recommend Height/weight: M: 1.65m/50-55KG L: 1.70m/60-65KG XL: 1.75m/70-75KG 2XL: 1.80m/80-85KG 3XL: 1.85m/90-95KG 4XL: 1.90m/100-105KG 5XL: 1.95m/110-115KG 6XL: 2.00m/120-125KG Package size: 300 * 200 * 100mm / 19.7 * 11.8 * 3.9in Package weight: M: 535g / 1.2lb L: 552g / 1.2lb XL: 569g / 1.3lb 2XL: 598g / 1.3lb 3XL: 632g / 1.4lb 4XL: 671g / 1.5lb 5XL: 682g / 1.5lb 6XL: 728g / 1.6lb Note: The product does not include powerbanks. You need to prepare powerbanks. How e: Press and hold the power button for three seconds then you can use it, please note that you need e the powerbanks(not included) when you use it. Cloth Size: We are Asian size, 2-3 sizes smaller than European size. Please choose the correct size according to our size chart and height/weight recommend. EU Size XXS = Asian size M EU Size XS = Asian size L EU Size S = Asian size XL EU Size M = Asian Size 2XL EU Size L = Asian Size 3XL EU Size XL = Asian Size 4XL EU Size XXL=Asian Size 5XL EU Size XXXL=Asian Size 6XL Packing List: 1 * Heating Vest