Warm and comfortable ThermoBall™ Eco insulation pairs with a high-traction Rubber outsole to make The North Face® Men's ThermoBall™ Traction Mule V slip-on ideal for base camp, après ski or shuffling through the snow to grab the morning paper. 100% 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 Oso Fleece collar lining for comfort Collapsible heel with elastic side panels for easy on/off Up to 20% Recycled Rubber outsole for supreme traction Product Features: Outsole:Non-slip, non-marking Rubber traction, 20% Recycled Upper:100% Recycled PET derived from post consumer plastic bottles with non-PFC durable water-repellent (non-PFC DWR) finish Lining:Fleece Weight:(½ pair): 8.1 oz. (231 g) Insulation:ThermoBall™ Eco Synthetic The North Face Men's ThermoBall Traction Mule V Slipper