So that winter cold is no problem. Just the right solution for those who shiver at the thought of getting into the saddle in the cold season. Topwarm has three heating layers, two on the chest and one in the centre of the back. In winter, this garment becomes an underjacket or an overcoat in autumn. Warmth is always guaranteed. 3 heating panels: 2 on the chest, 1 in the centre of the back. Universal power supply via 5V power bank with USB connection (not included). Button for switching on/off, with 3-stage heat regulation. The outer pocket functions as a battery compartment. Average battery life with 10,000mAh 5V power bank (the hours indicated may vary depending on the environment and temperature): at maximum power: 5h, at medium power: 6-7h, at minimum power: 10h. Windproof polyester front. Quilted polyester back. Fleece lining. Polyester padding (80 g). Can be used both as an underjacket and as a transition jacket. Inside and outside pockets. Washable.