Danner 30800 Mountain Light II Men's Outdoor Hiking Boot w/ Free Darn Tough Sock Comes with FREE Darn Tough Socks Full-grain, one-piece, all-leather upper offers a classic look with superior waterproof protection and durability Danner's hand crafted stitchdown construction provides a wider platform for increased stability underfoot. This construction makes the boot recraftable in our Portland factory Danner Airthotic a half- length, molded polyurethane instep that cups the heel and supports the arch area of the foot Vibram Kletterlift outsole is specifically designed for comfort and durability. The heel provides lightweight comfort as well as superb shock absorption. The compound guarantees great traction and stability on both wet and dry surfaces