The insulated protection of the Oboz Big Sky Mid Insulated Slip-On boot will keep you warm and ready to go on any outdoor adventure! Mid-profile insulated boot made of oiled top grain leather. 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. Pull-on boot style with elastic gore side panels for a flexible yet secure fit. Front and back pull loops for easy entry. Molded rubber toe cap and heel counter. 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. Molded heel kicks means you can take off your muddy boots hands-free. 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. Granite Peak outsole with winterized rubber and a pronounced lug pattern that reliably grips in cold climate conditions. Imported. Measurements: Heel Height: 1 in Weight: 1 lb 8 oz Shaft: 6 1 2 in Product measurements were taken using size 10.5, width D - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.