Warm and comfortable ThermoBall™ Eco insulation pairs with a high-traction rubber outsole to make this slip-on bootie ideal for base camp, après ski or shuffling through the snow to grab the morning paper. Features: Upper: Recycled P.E.T. ripstop upper with non-PFC durable water-repellent (non-PFC DWR) finish to help keep feet dry Lightweight ThermoBall™ Eco insulation retains warmth even when wet Easy on/off design Sole Unit: Outsole made with up to 20% recycled rubber The North Face Men's Thermoball™ Traction Bootie - TNF Black/TNF White