The Chore Classic High Safety Wellington Rain Boot provides great support against impact with its triple reinforced steel capped toe quadruple reinforced heel and steel shank / midsole while keeping your feet warm with its breathable airmesh bootie. The whole thing is fully waterproof and features a durable rubber outsole for traction., 100% Waterproof with breathable airmesh lining., EN ISO 20345-2004 SBP Certified meets ASTM F2413-11 M I/75 C/75 EH, Temp rating sub freezing to 18C., Triple reinforced toe., Durable rubber outsole.