Our 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 for any trail. Stay comfortable out there with our updated women's Classic Hike socks. Sock Height: Crew. Our first sock construction, only now featuring recycled nylon (content varies by style). Elasticized arch brace for secure fit . Flat knit toe seam for additional comfort. Knit in USA of Imported Yarn: 56% Merino Wool, 11% Nylon, 31% Recycled Nylon, 2% Elastane. Machine wash.