This is a New Era 39Thirty Brand Jason Aldean / Kid Rock Cap - Navy Blue - Embroidered Circle Patch on Front with names Jason Aldean and Kid Rock with "red socks," Lettering "Fenway Park" Embroidered on the right side of the Cap, and "Boston MA 9-9 & 10-16" Embroidered on the back of the Cap - 97% Cotton / 3% Spandex - Fitted Cap - Size Medium / Large. This cap is pre-owned, but in great condition. Sharp Look! It has been washed and is ready to wear!