The Comfortiva Compression Socks will keep you comfortable whether you're heading to work or traveling around the world with its superior fit and reliable comfort. ; Upper made of ultra-soft microfiber blend. ; Sock design helps to increase circulation and prevent swelling. ; Non-binding welt top band so sock stays in place. ; Comfortable heel and toe pockets for an easier fit. ; Materials: 28% Rayon, 40% Cotton, 20% Polyester, 10% Nylon, 2% Spandex. ; Machine wash cold, tumble dry. ; Imported.