Designed for some of the coldest conditions, the arctic sport ii works great in nearly every environment. These fun, sporty colours make them perfect for trekking in the back woods or just enjoying the great outdoors. 100% waterproof, 100% muckproof. 5mm neoprene bootie for comfort and performance. Warm lining: soft, insulation, light-weight, performance materials for warmth and comfort. Extended rubber coverage. Comfort insole. Lightweight eva midsole for all day comfort and support. Rugged rubber outsole for traction. Biodewix dry footbed insert topcover with nzym for odour control and moisture management