MEN'S COTTON SOCKS ATLANTIC The socks are available in two sizes: 39-42 and 43-46. They are made of soft cotton stretch fabric, which is a combination of soft, breathable and body-friendly cotton, stretchy, shape-holding polyester, spandex and Lycra. On the back, above the heel, there is an inscription and the ATLANTIC logo in a contrasting color. 69% Cotton, 23% Polyester, 6% Spandex, 2% Lycra