The Women's Muck Arctic Sport ll Mid-Height Boots have been upgraded for improved warmth and comfort for use in the coldest conditions. The 100% waterproof design keeps your feet warm and dry while the warm fleece lining prevents the cold from seeping in. Ideal for work in barns, mountains, country roads, or city streets, you'll love the Women's Muck Arctic Sport ll Mid | Muck Boots Arctic Sport II Mid Boots in Black | Size 5