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. HoverSpring: Our proprietary lightweight HoverSpring foam provides industry leading underfoot comfort and flexibility while being durable enough for the harshest environments. Composite Safety Toe: 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. Waterproof Membrane: Delivers maximum waterproof protection and meets ASTM F1671-07 safety standard. Timberland PRO Rubber: Heat-resistant, durable rubber compound offers enhanced slip, oil and abrasion resistance.