The Muck Men's Arctic Ice Mid Boots with Vibram Arctic Grip A.T. is built for wet, cold, and uneven terrain where dependable protection matters. 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.