Firstgear Womens Heated Rider Glove - Medium 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 Heat in the palms as well as the fingers, thumb and back of hand Grade-a, top-grain, drum-dyed cowhide construction Porelle breathable, waterproof membrane Thinsulate layer