Under Armour UA Speed Freek Bozeman 600 Boot - Women's Leather Waterproof suede leather and 900D nylon combine to form a breathable and durable upper Waterproof breathable membrane construction keeps your feet dry Scratch rubber toe and heel cap for increased protection Under Armour scent control with anti bacterial cupron copper infused lining on sockliner top cover Cupron anti fungal pro fibers reduce odor and kill 99.9 of athlete's foot fungus after 12 hours of contact with the sockliner