The Oboz Sphinx Pull On Insulated BDry Pinedale women’s boot features 200g of Primaloft Bio™ insulation and B-DRY waterproofing. The shoe also features waterproof oiled nubuck, a water-resistant medial zipper, recycled components, and a Vibram Arctic Grip A.T. sole made of Vibram XS Trek. The Pull-On ensures easy on and off.