Oboz Sphinx Pull-On Waterproof Winter Boots Womens US 8.5 Brown Excellent Condition- worn less than a week. Material: Oiled waterproof nubuck leather and abrasion-resistant ripstop textile. Insulation: 200g Freeze Guard insulation for warmth. Waterproofing: B-DRY waterproof membrane. Closure: YKK water-resistant medial zipper and 100% RPET webbing. Insole: Board-lasted O-FIT insole with Bloom Algae. Midsole: Single-density compression molded EVA, TPU heel clip. Outsole: Vibram XS-Trek Arctic Grip for traction on ice and snow. Additional Features: DWR finish.