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. Steel Safety Toe: 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. Puncture Resistant (Metallic Plate): Flexible, steel plate minimizes the likelihood of puncture wounds. Meets US and Canadian safety standards including ASTM F2412-18a, ASTM F2413-18 and ASTM F2892-18 PR puncture resistance and CAN/CSA-Z195-14 Grade 1 with protective soles. Timberland PRO Rubber: Heat-resistant, durable rubber compound offers enhanced slip, oil and abrasion resistance. Heat-Resistant Outsole: Solid Timberland PRO rubber compound outsole resists hot contact using EN ISO 20344:2004 8.7 testing standard at 572°F (300°C).