Oboz Bridger Low BDry Hiking Boot - Women's Leather Lug Sole sole Upper - Waterproof Nubuck Leather & Highly Abrasion Resistant Textile, Oboz BDry Waterproof / Breathable Membrane, & Molded Rubber Toe Cap and Heel Counter Construction - Board Lasted Insole - BFit Deluxe | Outsole - Granite Peak Midsole - Dual Density EVA,TPU Chassis, & Nylon Shank Weight - W7: 15.0 oz Nylon shank offers added support between heel and forefoot. Single-density EVA midsole provides supportive balanced cushioning. TPU chassis adds protection and torsional stability underfoot.