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. Alloy Safety Toe: Lightweight, 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. SD35: Protects against hazards related to excessively low footwear resistance and meets SD35 static-dissipative ASTM F2412·18a, ASTM F2413-18 and ASTM F2892-18 safety standards. Polyurethane Outsole: Lightweight and rugged outsoles provide cushioning, 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.