Women's Muck Boots Arctic Sport II Mid Work Shoes Designed for some of the coldest conditions, the Arctic Sport II collection reliably performs in nearly every environment. Coupled with our cool weather lining and a rugged rubber outsole, these boots provide warmth and comfort with superior traction for all your winter activities. Offered in both classic and fun, sporty colors & materials the Arctic Sport II is ideal for trekking in the back woods or just enjoying the great outdoors.