Sof Sole RBI Baseball Team Athletic Performance Socks 80% Acrylic, 17% Polyester, 3% Spandex Imported 2-Pack of Over-the-Calf athletic baseball team socks Keep feet comfortable and dry with Hydrologix moisture moving fiber technology Acrylic, Polyester and Spandex materials prevent blistering and resists shrinkage while remaining naturally soft to the touch Deep heel pocket provide an improved fit and keep socks firmly in place Full cushion sole and a seamless toe provide extra comfort