Women's winter mules from The North Face. Crafted with lightweight ThermoBallTM insulation for exceptional warmth, the 'Tent Mule IV' slippers are perfect for camping or home use, and have been constructed with a durable, water-resistant upper made from recycled bottles. Offering breathable warmth and rugged durability, the sturdy tent slippers are complete with a die-cut EVA sockliner, a faux fur collar for added comfort and nylon mesh base with rubber lugs for reliable traction. Signature branding to the outside foot and pull loop to the heel for easy entry. Upper: Recycled P.E.T. Collar: Faux Fur. Sole: Nylon Mesh.