Anti-Fatigue Technology: A comfort system designed with shock-absorbing, geometrical technology that returns energy back to the foot to deliver all-day support and comfort. CarbonShield Technology: Engineered with nanotechnology, adds strength and unmatched protection, provides a better fit and reduces weight with a lightweight, non-metallic, asymmetrical-shaped toe cap that 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. All-Weather TPU Outsole: Specially-formulated thermoplastic urethane compound designed to maintain flexibility in variable weather conditions, providing enhanced traction on wet and frosted ice surfaces, plus slip, oil and abrasion resistance. ReBOTL Material: Products with ReBOTL material contain at least 50% recycled PET (recycled polyethylene terephthalate, the stuff plastic bottles are made of) excepting trace materials. Metal Detector Friendly: Built with materials that should not activate most security systems or scratch surfaces.