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: Easy On/Off Design Sole Unit: Outsole Made With Up To 20% Recycled Rubber Thermoball™ 100% Recycled Polyester Insulation Helps Keep Feet Warm Even When Wet Upper: Upper Made With 100% Recycled P.E.T. Ripstop With A Non-PFC Durable Water-Repellent (Non-PFC DWR) Finish For Added Water Repellency The North Face Women's Thermoball™ Traction Bootie - Tnf Black/Tnf Whi