The Ultra Heat Women Mittens are powered heated mitten for extreme weather. Featuring leather palm, 4-finger leather wrap-around, and PRIMALOFT technology, those mittens deliver perfect balance between insulation, warmth and impermeability. Engineered with 360° heated elements wrapped around 4-finger mitts, thumb and top of hand, the Therm-ic powered heat technology delivers consistent warmth throughout the day. With 3 simple power modes, tune your level of comfort and heat distribution for up to 10 hours.