Late-season whitetail hunters require layering systems that work a little harder offering up more than warmth to outlast all-day sits through winters worst weather. They need complementary layers that seal out wind cold and moisture while simultaneously trapping their bodys heat and warming them from the inside out. And because long cold sits quickly deplete their body warmth they need gear ready and willing to do some of the work for them. Part of Muddys all-new assortment of hunting apparel and accessories every item with the Nucleus name delivers a long-lasting and adjustable heat source that sees passionate tree stand hunters through their longest coldest days in the field. A staple in this new lineup the 3.7-volt 3500mAh Nucleus Power Bank keeps all your heated gloves and socks charged up on the go and operational during all-day sitswhether you need a back-up power supply in the stand or to charge up quickly when youre in camp or road-tripping between hunts out of state. This compact rechargeable power bank includes one USB-C charging cable and comes as a set of two meaning youll make even faster work of getting heated gear up and running when you need it most.