Give all your other hiking socks the boot. Merino Wool is the fiber of choice for hiking, trekking and backpacking. High density terry loop padding in the foot and shin areas won't flatten out under pressure. Darn Tough socks will provide you with an unrivalled level of cushioning and performance whether you're sporting approach shoes or hiking boots. High density cushioning surrounds entire foot and shin. Custom shrink treated Merino Wool. Ribbing above the ankle ensures a proper fit. Reinforced heel and toe. Elastic support around the arch. Ring toe construction for a comfortable invisible seam.