Recycled P.E.T. fleece upper has a fuzzy look and feel ThermoBall Eco insulation offers cozy warmth Oso fleece lining on the collar TNF branding details Collapsible heel and elastic side panels for easy on/off Rubber outsole composed of 20% recycled content Experience the ultimate in cozy and sustainable outdoor comfort with the The North Face Women's ThermoBall Traction Mule V. This mule features a fuzzy, recycled fleece upper with a water-repellent finish and its packed with lightweight ThermoBall Eco insulation for warmth. The Oso fleece collar adds extra coziness, while the collapsible heel and elastic side panels make it a breeze to slip on or off. Product Code: NF0A7W4LQ4C