The North Face ThermoBall™ Traction V Mules Shoes. Your feet work hard, so they deserve the warmth and comfort of the Men’s ThermoBall™ Traction V Mules. These shoes combine ThermoBall™ Eco insulation with high-traction rubber outsoles to make slip-ons that are ideal for base camp, après ski, or shuffling out 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. Collapsible heel with elastic side panels for easy on/off. Up to 20% recycled rubber outsole for supreme traction. Oso fleece collar lining for comfort. Lightweight ThermoBall™ Eco insulation retains warmth even when wet. Recycled P.E.T. ripstop upper with non-PFC durable water-repellent (non-PFC DWR) finish to help keep feet dry. Outsole made with up to 20% recycled rubber. Imported.