Asymmetrical composite safety toe - Premium full-grain waterproof leather with a waterproof membrane and non-waterproof styles - Electrical Hazard Protection - Superior Indoor/outdoor traction and slip resistance from Timberland PRO rubber convex outsole design - Lightweight Hover Spring foam midsole provides industry leading underfoot comfort flexibility and durability - Mark II Oily wet #3 on American Olean tile at .41 - Fiberglass shank for structural support - Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return - Top speed hooks for instant lacing - Breathable and moisture-wicking lining with anti-microbial treatment for odor control - Cement construction for flexibility - 30-Day Comfort Guarantee