The Merrell Thermo Glacier Mid Waterproof hiker boots are designed to keep you warm and comfortable on the trails. These mid-profile winter hiking boots have the ideal combination of compression-proof insulation, heat-reflecting technology, and Vibram outsole grip to keep you moving steadily and confidently on any winter path. Waterproof full grain leather upper. M Select DRY waterproof membrane keeps feet protected from the wet elements. Traditional lace-up closure with round fabric laces, leather loops, and sturdy hardware for a secure fit. Bellows tongue keeps debris out. Protective rubber toe cap. Conductor fleece lining for added warmth and an incredibly comfortable interior foot environment. 1.5 mm Primaloft Aerogel over-the-toe insulation traps in heat where women need it most even when compressed. Removable Kinetic Fit Base insole is contoured for underfoot support and comfort. Heat-reflecting insole radiates body heat back toward the foot for added warmth. Compression-molded EVA midsole for stability and shock absorption. Molded nylon arch shank for added stability. Vibram Arctic Grip outsole for superior grip on wet ice and packed snow. 5mm lug depth. Imported. Measurements: Heel Height: 1 3 4 in Weight: 1 lb 9 oz Shaft: 6 in Product measurements were taken using size 12, width M. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.