The Muck Women's Arctic Ice Tall Boots with Vibram Arctic Grip A.T. delivers dependable protection for long shifts in wet and rugged conditions. 8mm Neoprene Bootie for comfort and performance, while soft fleece lining adds lightweight cold-weather warmth. bioDEWIX footbed topcover uses NZYM for odor and moisture control; Lightweight midsole supports all-day underfoot comfort.