Muck Arctic Pro Men's Waterproof Boots,

Featuring a 8mm neoprene, the waterproof bootie and fleece lining provide the standard in warmth and protective support. The 2mm foam under the footbed assures warmth in low temperatures or when standing on ice. A topline binding keeps the snow and cold out, and warmth inside. This boot's 8mm neoprene and fleece lining assures warmth in low temperatures.