Make the most of the hiking adventures wearing these cool and highly functional Oboz Sphinx Mid Insulated B-DRY. Oiled waterproof nubuck leather and abrasion-resistant ripstop textile upper. Textile lining and removable insole. PrimaLoft Bio insulation to ensure utmost warmth. B-DRY waterproof membrane. The Bangtail Mid Insulated Waterproof has the components to beat the winter elements including a Vibram Arctic Grip outsole, PrimaLoft BIO insulation, our ACT+ Midsole, and B-DRY waterproof breathable technology. Whether your plan is to hike the Bangtail Divide Trail or snowshoe in your backyard, this boot has you covered.