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. Composite Safety Toe: Lightweight, non-metallic, asymmetrical-shaped toe cap that meets US safety standards including ASTM F2412-18a and ASTM F2413-18 I and C impact and compression safety standards. Waterproof Membrane: Delivers maximum waterproof protection and meets ASTM F1671-07 safety standard. 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. Flexible non-metallic plate minimizes the likelihood of puncture wounds & includes 200g Insulation