The Oboz Madison Insulated Zip snow boot keeps you toasty warm and steady on your feet all winter long! ; Waterproof nubuck leather and highly abrasion-resistant textile upper. ; B-Dry™ waterproof breathable membrane allows vapor to escape your foot, but is impervious to water coming in. ; 200 gram 3M™ Thinsulate insulation for added warmth and protection against the cold. ; Inside YKK zip closure for easy on and off. ; Two decorative leather straps around shaft. ; Collar topped with soft wool design for added warmth. ; Breathable textile lining wicks away moisture. ; O Fit Insole™ Thermal has a Mylare base layer to reduce heat loss, a felt wool top layer, low-density EVA pods, sculpted EVA arch support to keep the foot in neutral position, and a high-density EVA heel cup for natural support and cushioning. ; Dual-density EVA midsole for stability and cushioning. ; Nylon shank for lateral and torsional flex control. ; Lightweight TPU chassis provides long-term support, motion control, heel lock, stability and prevents stone bruising without inhibiting flex. ; Madison rubberized winter outsole has a woman's-specific design and is formulated to be softer and to provide excellent grip in cold climate areas. ; Imported. Measurements: ; Weight: 1 lb 1 oz ; Circumference: 11 1 2 in ; Shaft: 7 1 2 in ; Product measurements were taken using size 8.5, width B - Medium. Please note that measurements may vary by size. ; Weight of footwear is based on a single item, not a pair.