Gear up for the season in the durable, stylish Chillberg Boots Premium full-grain leather upper for durability. Waterproof upper keeps feet warm and dry. Gusseted tongue for protection and easy on and off. 400g PrimaLoft insulation for warmth and comfort. TPU shell for long-lasting durability. Rustproof D-ring hardware for easy lacing. Removable anti-fatigue footbed adds comfort and support underfoot. 34% recycled rubber lug outsole for traction and durability.