Purofort?? F/Safety Blk 12The Dunlop Rugged offers all the benefits of Purofort and a superior outsole, making it an ideal boot for every day construction work. This is the only footwear to combine comfort and flexibility with durability under all weather conditions. 100% waterproof (no stitched seams) Keeping feet dry and warm Stays flexible and supple, with every step and movement Anatomically designed foot bed, offering support all day Easy to maintain and clean Does not