Safety: Asymmetrical composite safety toe with Carbon Shield™ technology is lightweight and non-metallic Composite safety toe meets US and Canadian safety standards including ASTM F2412-18a and ASTM F2413-18 I and C impact and compression safety standards and CAN/CSA-Z195-14 Grade 1 Electrical hazard protection meets ASTM F2412-18a, ASTM F2413-18, ASTM F2892-18 and CAN/CSA-Z195-14 standards Waterproof membrane meets ASTM F1671-07 safety standard Design: Premium full-grain waterproof leather with a waterproof membrane Constructed with ReBOTL™ material made with at least 50% recycled PET Cement construction for added flexibility Fiberglass shank for structural support In-Shoe Comfort: Anti-fatigue molded PU footbed absorbs shock and returns energy Breathable and moisture-wicking lining with antimicrobial treatment for odor control Lightweight HoverSpring™ foam midsole adds underfoot comfort and flexibility while remaining durable Durability & Traction: Long lasting Vibram® outsole specifically built to withstand the harshest working conditions and environments Stable Stride™ technology provides lateral stability on slanted and uneven surfaces to help reduce ankle rolling, slippage and injury Additional Details: Built with materials that should not activate most security systems or scratch surfaces