BIAL SG Heated Gloves Hands Warming for Outdoor Skiing Cycling Motorcycle Riding Total length: 31cm (12.2 inch); thumb length: 9.6cm (3.8 inch); palm width: 11.5cm (4.5 inch) Heating elements only run to hand back as thumb and palm need to hold bicycle or motorcycle's Need 6pcs AA batteries to operat heating, provide quality comfort (batteries not included) The maximum temperature is 45(usually 35-45), it's warm but not too hot, Acrylic fiber, not washable. There is a piece of skidproof PU on palm for holding bicycle or motorcy