The Crestone men’s winter boots will perform whether you’re trekking around the ski resort or shovelling snow from your walkway. They are warm – insulated with PrimaLoft® – and have a 30-40°C/-22/-40°F thermal rating. They’re also waterproof and seam-sealed. The sole is specifically designed to handle slippery conditions, delivering next level grip and traction in cold weather. Over 60% of these boots are made from recycled materials in an environmentally-friendly way. Features: 100% recycled lace, 100% recycled polyester webbing, 100% recycled lining, 30% recycled rubber, 30% recycled EVA midsole, Over 60% of the upper is made from recycled materials, PrimaLoft® 200 grams. Certifications: Thermal index 30-40°C/-22/-40°F, PFC-free. Specifications: Weight: 1200.0 g.