Rob Gronkowski New England Patriots For Bare Feet NFL Drive Player Profile Socks 100-percent-cotton-rib-knit Rob Gronkowski Action Shot on Front and Back of the Socks 94% Polyester, 5% Rubber, 1% Spandex Team Logo and Player Name on Front Side, Player Name and 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