Premium waterproof full grain leather with waterproof membrane. Composite safety toe cap optimized with Carbon Shield technology. Non-metallic anti-perforation plate. Direct injection manufacturingMetal-free shank. Brass eyelets with dual purpose zinc hooks. Polyurethane footbed with anti-fatigue technology provides shock absorption and energy return. Mesh lining with antimicrobial treatment to control odors. Non-marking rubber outsole resists heat, oil, slipping and abrasion.