Waterproof full grain and pig suede upper. Faux fur collar provides warmth, and improved styling. Merrell Waterproof construction will keep your feet dry. Lace up closure for an adjustable fit. M-Select WARM lightweight, low bulk insulation keeps you warm. Breathable mesh lining, will wick moisture away. M-Select FRESH prevents foot odor. M-Select MOVE foot frame gives you an ideal combination of natural flex, contoured support and performance cushioning for all-day comfort. Merrell air cushion in the heel absorbs shock and adds stability. The M-Select GRIP sole is slip resistant and provides great traction. 12.5 inch shaft. Comfort range is -20C.