The elasticized arch brace of the Classic Hike Full Cushion Solid Crew will ensure a secure fit while you hike. But thats not all there is to like about this classic sock. Youll also enjoy a flat knit toe seam for in-shoe comfort as well as enhanced durability from sustainable, recycled nylon. And this socks finest feature is that its made with responsibly sourced, incredibly soft ZQ-certified Merino wool. These socks will help ensure that your feet feel great through all your hiking adventures.