Thinsulate lining Removable sheepskin footbed TPU outsole - PU Midsole for longer wear and comfort Waterproof Leather and Gore Acid Resistant Organic Fat Resistant Be ready for the cold weather with the fully-waterproof Thermal series from Blundstone. A removable shearling footbed will keep your feet cozy even on the coldest days. Elastic side goring will make it easy for you to slip into the warmth and comfort of Blundstone Thermal boots. Blundstone Unisex 584 - Thermal Series