Fired Up X manufactures and distributes smart wear that includes heated gloves, jackets, vests, hoody's, liners ad sleeping bags. We utilize FIR (Far Infra Red) technology for the source of heat. Besides being therapeutic; FIR is a safe and reliable heating technology and we are one of the first companies to incorporate it into various products. Powered by a Reliable Lithium Polymer battery all Fired Up X heated products will definitely keep you warm.