Asymmetrical composite safety toe powered by CarbonShield technology in square toe - Premium waterproof leather with waterproof membrane - Electrical Hazard Protection - Dial in to fast effortless precision fit with the BOA Fit System built for all-day performance in any environment - Mutilation free Upper - Abrasion-resistant PRO rubber outsole - Fiberglass shank for structural support - Anti-Fatigue technology polyurethane footbed for shock absorption and energy return - ExoSpine technology to provide lasting structure durability and improved heel fit - Breathable and moisture-wicking lining with anti-microbial treatment for odor control - Goodyear welt construction for a durable mechanical bond