Dynamic Natural Fit: aims to deliver more comfort by providing generous toe space to better align with the anatomy of the foot. HoverSpring: Our proprietary lightweight HoverSpring foam provides industry leading underfoot comfort and flexibility while being durable enough for the harshest environments. Timberland PRO 24/7 Comfort System: A unique comfort system that meets the most rigorous worksite demands- 24 hours a day, 7 days a week- the Timberland PRO 24/7 comfort suspension system technology helped reduce foot fatigue, supports the arch and cushions every step 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. Rubber Outsole: Heat-resistant, durable rubber compound offers enhanced slip, oil and abrasion resistance.