Asymmetrical steel safety toe External, asymmetrical ABS metatarsal guard is hinged for comfortable protection, even when squatting Abrasion-resistant Ever-Guard™ waterproof leather with a waterproof membrane (53530) Electrical Hazard Protection Heat, oil and slip-resistant rubber outsole Steel shank for structural support Protective thread on upper and welt for durability and heat resistance Cast metal top hooks for increased durability Breathable and moisture-wicking lining with anti-microbial treatment for odor control Goodyear welt construction for a durable mechanical bond