Product Details3 pack Material: Cotton, polyester, elastane and elastodiene Features Ribbed elastic welt Cushioned heel and extended toe Reciprocated heel and toe Additional Information Care instructions: Machine wash according to instructions on the care label By choosing our cotton products, you're supporting our investment in Better Cotton's mission. Visit bettercotton. org/massbalance to learn more. This product is sourced via a mass balance system and therefore may not contain Better Cotton.