The Muck Women's Arctic Ice Tall Boots with Vibram Arctic Grip A.T. delivers rugged all-weather performance for field, trail, and utility use. 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.