Product Details + Recommend half sizes order up Triple-dipped Shells for Extra Tough, Extra Watertight Protection 100% Waterproof Viral Penetration Resistant per ASTM F1671 / F1671M - 13 Hand-layered construction adds flex and strength at critical stress points Open Cell Foam Footbed Insoles reduce moisture and add comfort Slip-resistant non-marking outsole Steel Toe Protection Recommended temperature rating to -1°FVendor Style Number: 22271G