The primary materials that compose this product contain a minimum of 20 percent recycled content. The Smartwool Everyday Solid Rib Ankle Socks are comfortable and breathable for all-day wear. Ankle length socks. Rib-knit construction at cuffs. 58% wool, 30% recycled nylon, 10% nylon, 2% elastane. Machine wash, tumble dry. Made in the USA.