Exterior made of windproof and breathable polyester woven fabric with WINHEAT lamination in aluminum film, to preserve heat loss. Iside with HADS DUAL POWER heating system with 4-level adjustment button. The DUAL POWER system allows you to use the jacket with different types of power: Direct connection to a 12 volt source (motorcycle battery) – Connecting to a 12 volt Li-PO battery(to put in the inner pocket) – Connecting to a at 7.4 volts Li-Po battery(to put in the inner pocket) for those activities that do not require a high heating intensity. 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.