Rob Gronkowski New England Patriots For Bare Feet NFL Rush Player Profile Socks Rob Gronkowski Action Shot on Front of the Socks 94% Polyester, 5% Rubber, 1% Spandex Team Logo and Player Name on Front Side, Team Logo and Player Number on Back Side Rob Gronkowski Player Socks by For Bare Feet Size Medium For Foot Sizes 5-10 and Size Large For Foot Sizes 10-13