Danner USMC Rat 8IN Boot - Men's Nubuck Leather Durable nubuck leather topped with a breathable and tear resistant 1000 Denier nylon upper Polyurethane coated leather over toe and heel for increased durability Highly durable, moisture wicking lining with quick draining medial vent holes Extended sizes available for women or those with smaller feet Advanced lug design Vibram 360 outsole with Dri Ice remains flexible even in extreme cold for superior traction