The primary materials that compose this product contain a minimum of 20 percent recycled content. Traverse rugged terrain, free from worry with the unmatched comfort of the Smartwool Classic Hike Light Cushion Crew socks in your favorite hikers. Crew length design with elasticized arch brace for secure fit. Comfortable flat knit toe seam. Light cushioning provides impact absorption and warmth. Virtually Seamless Toe provides ultimate in-shoe comfort. 56% merino wool, 11% nylon, 31% recycled nylon, 2% elastane. Machine wash, tumble dry. Imported.