Polyester exterior, real goose down padding. Interior with specially designed heating system with 4-level adjustment button, 7.4-volt operation with 20Watt heating power. Heating of the font and back part. Possibility of connection to a 12 volt battery and to the battery of the bike, keeping the heating power unchanged. The power is 50Watt at 12 volt and 18Watt at 7,4volt. Presence of direct connections to power gloves with retention pockets and battery pocket. Features Connection type Battery, Cable, Dual Power Technical Information 12 V - 50.0 W - 4.2 AH 4-Level 7.4 V - 20.0 W - 2.7 AH Bike powered Dual Power, Li-Po battery Duration 12V Level 1 (White) - 8:30 hours Level 2 (Blue) - 6:45 hours Level 3 (Purple) - 5:15 hours Level 4 (Red) - 4:00 hours Duration 7.4V Level 1 (White) - 5:00 hours Level 2 (Blue) - 5:00 hours Level 3 (Purple) - 3:45 hours Level 4 (Red) - 2:45 hours Please remember, power supplies are not included!