The North Face Womens Tent Mules III in Moon Mist Grey & Moonlight Ivory 450 fill power down give the womens tent mule III slippers luxurious warmth & comfort that most slippers cannot. They are made from recycled post-consumer plastic waste & have a ripstop upper that resists water & abrasion. Also featuring a die-cut EVA sock liner & nylon mesh based soul with grippy plastic lugs. You can easily judge these by their appearance but we can assure you that these can handle the toughest of weather conditions & are extremely comfortable. Durable, Water-Resistant, Element-Shedding 100% Recycled P.E.T. Ripstop Upper 450 Fill Power Down & Feather Insulation Die-Cut EVA Sockline. Highly Durable Nylon Mesh Base with Rubber Fine-Mold Traction Lugs.