ASTM F2413-05 PT Class 75 Protective Toe , Flexible upper material stays supple in cold temperatures to make walking easier , Injection molded construction for 100% waterproof protection , Removable cushion insole, wicks perspiration to help keep feet dry and comfortable , Self cleaning cleated outsole, spits out debris as you walk , Tougher outsole material for good abrasion resistance , Economy boot features eco-conscious upper manufactured from 30% recycled material ,