Your best winter look is gaining traction. Ready for the snow or ski chalet, these convertible mules are designed with The North Face’s 100% recycled insulation and fleece collar lining for unmatched warmth even when feet get wet. Complete with high-traction rubber outsoles and a water-resistant finish so you can tackle any terrain. Part of the limited edition The North Face x SKIMS Collection. Upper: 100% Recycled P.E.T. Ripstop With A Non-PFC Durable Water-Repellent (Non-PFC DWR) Finish For Added Water Repellency. Insulation: Thermoball™ 100% Recycled Polyester Insulation. Outsole: Outsole Made With Up To 20% Recycled Rubber.