Steel toe: rated ASTM F2413-11 M I/75 C/75 EHSueded Nubuck leather with rugged pigskin upperUnlinedDirect-attach construction seals out waterSlip-resistant, energy-returning Wolverine Durashocks® SR Dual-Density polyurethane outsoleRemovable, double-density footbed adds cushioning and stabilityTough yet lightweight polyurethane midsole75% lighter than steel, fiberglass shank stabilizes foot and reduces fatigue