Muck Women's Arctic Sport II Mid BootThe Arctic Sport II short boots are designed for women who love the outdoors, even in the coldest conditions. These mid height boots step up the warmth factor with cosy fleece lining and a 5mm neoprene inner boot for ultimate warmth in conditions as low as minus 40 degrees. The stretch fit top line binding keeps the boots snug to your legs to keep cold air out and warm air in. An EVA molded midsole offers support and the rugged outsole helps grip.