Asymmetrical composite safety toe - External Anti-Fatigue Technology metatarsal guard with Timberland PRO Flex - Electrical Hazard protection - Heat oil and slip-resistant rubber outsole - Ventilated Anti-Fatigue Technology polyurethane footbed for improved air flow shock absorption and energy return - Steel shank for structural support - Protective thread on upper and welt for durability and heat resistance - Top speed hooks for instant lacing - Breathable and moisture-wicking lining with anti-microbial treatment for odor control - Goodyear welt construction for durable mechanical bond