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 Slip-resistant non-marking outsole Recommended temperature rating to -1°F Open Cell Foam footbed insoles provide comfortVendor Style Number: 22274G XTRATUF® Men Legacy 15" Waterproof Insulated Rubber Boot