UNISEX "L" HEATED VEST APPEARANCE - the vest is designed in a sporty style. It has a trendy quilted cut that will appeal to everyone. It perfectly adapts to the body and, most importantly, prevents heat loss. Fastens with locks. There is a USB power cord in the inner pocket. You can connect it, for example, to a power supply unit. When the temperature drops, the built-in system allows you to instantly warm the body. MATERIAL - the shell of the vest is made of 100% nylon. This material is highly durable and prevents creasing. It is light and dries quickly. The lining and filling is 100% polyester, which effectively protects against cold and wind. This fabric is durable and resistant to destruction. USB POWER - the heating system is powered by any power supply unit with a type A USB port (not included). It can be stored in a side pocket (with integrated cable). After connecting the cable to the power unit, simply press the button w on the upper left of the vest to start the heating process. 3 HEATING LEVELS IN 9 ZONES - You can choose from 3 different heating modes that allow you to adjust the heating intensity according to your preferences or current weather conditions. The arrangement of the heating cartridges allows you to effectively heat your entire torso: neck, shoulder blades, back and waist. SPECIFICATION - black color; material: nylon/polyester; gender: unisex; number of pockets: 3; power supply: USB; dimensions (measured flat): shoulder width: 40 cm, armpit width 51 cm, bottom width (elastic band) 40-51 cm, total length: 70 cm; weight: 342g; weight in package: 373g. SPECIFICATION: Color: Black Material: Nylon/Polyester Gender: Unisex Number of Pockets: 3 Power: USB Dimensions (measured flat): Shoulder Width: 40cm Armpit Width 51cm Bottom Width (Elastic Band) 40-51cm Total Length: 70cm Weight : 342g weight in package: 373g.