DC heated, produces 15 watts of heat at 12.8 volts (each glove) and should be used with a Firstgear Heat-Troller for optimum safety Grade-A, top-quality, drum-dyed cowhide construction Porelle breathable, waterproof membrane Carbon fiber protection on molded knuckles Pre-curved fingers and finger-mounted, rubber, faceted wiper Elastic wrist and adjustable hook-and-loop gauntlet closure Reflective piping on top