Our Venture Heat 12V Motorcycle Heated Vest - 15.0W Hybrid Battery Bike Vest, Unisex is heated motorcycle clothing / gear designed for men and women riders. Warm up your next ride with the with a versatile vest made for power sports, atv, and other motorsports. Riders have an option to purchase a portable 12 volt battery (not included) to keep themselves warm when not connected to the bike. Stay warm and cozy with 4 heating zones. A built-in temperature controller allows the rider to adjust the heat on the go.