Features Timberland PRO(r) 24/7 Comfort Suspension(tm) helps reduce foot fatigue, supports the arch and cushions every step Uninsulated oiled, full-grain leather upper for comfort Anti-microbial lining Goodyear welt construction for rugged durability Removable contoured EVA sockliner offers comfort Nylon shock diffusion plate internal shank system Timberland PRO(r) rubber outsole is slip-resistant, oil-resistant, and abrasion-resistant Meets ANSI Z41PT99, ASTM F2412-05 and F2413-05 standards to provide