• Premium waterproof leather with waterproof membrane • Composite safety toe and soft toe styles • Combination three-quarter Goodyear welt/cement heel construction • Rigid external heel cup for lateral stability • Fiberglass shank for structural support • Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return • Non-metallic puncture plate styles • Breathable and moisture-wicking lining with anti-microbial treatment for odor control