Elasticized arch brace for a secure fit Flat knit toe seam for additional comfort Classic Hike Full Cushion Crew socks focus on comfort and durability, so you can go farther on every hike. Responsibly sourced, ZQ-certified Merino wool keeps things soft, while recycled nylon keeps it all sustainable. And full cushioning on the entire sock adds the warmth and protection you need and love. Stay cozy out there With updated Classic Hike socks.Full CushionCushioning on the entire sock for added protection and warmth