The primary materials that compose this product contain a minimum of 20 percent recycled content. Sometimes all you need is a classic trail sock and these Smartwool Classic Hike Full Cushion Crew socks have what you need to stay comfortable on any adventure. Sold as a one pair pack. Crew socks that sit at the calf. Utilizes full cushioning at the heel and sole of the foot to provide warmth and a little impact absorption. Bracing on the arch provides additional support for all day comfort. Flat toe seam helps reduce chafing and provide all day comfort. 65% merino wool, 10% nylon, 24% recycled nylon, 1% elastane. Machine wash, tumble dry. Made in the USA.