Slip into these faux-fur lined The North Face Women's Thermoball Tent Mules that are made from recycled fabrics. Anticipating cold campouts, The North Face have made these slip-on mules from PrimaLoft ThermoBall synthetic materials. UPPER: Durable, water-resistant, element-shedding 100% recycled ripstop upper UPPER: PrimaLoft ThermoBall Eco synthetic insulation SOLE UNIT: Highly durable nylon mesh base with rubber traction lugs UPPER: Comfortable plush faux fur collar