Heated leather mittens that have PrimaLoft insulation technology to guarantee insulation and impermeability. With 3 heat settings, they make sure that you stay warm for up to 10 hours. Designed to fit the female shape for greater comfort Genuine goat&';s leather: soft and sturdy 3 heat settings: for even, gentle heat distribution Ultra-light lithium-ion battery offering up to 10 hours of heat Heat spreads 360Adeg around the fingers and the top of the hand Membrane 10K/10K : impermeable and breathable Compatible pocket for two batteries, doubling the heating time Ribbed cuffs Security leash: so as not to lose the glove Thin sleeves to better fit with jackets Drawstring 1 USB Therm-ic charger cable- Wall charger not included