Our PowerWelt steel safety-toe boots use reinforced waterproof leather for extra durability in rugged work conditions. Additional job site performance features include a steel shank for extra protection and structural support, electrical hazard protection, and our Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return. Their breathable, moisture-wicking lining with odor control treatment is made of ReBOTL material containing at least 50% recycled plastic. Plus, their rugged outsole of heat-, oil-, slip-, and abrasion-resistant, non-marking polyurethane features a Ladder Lock heel that grips ladder rungs.