s-l400.jpg。This pre-owned, white USGA baseball hat commemorates the 2017 U.S. Open at Erin Hills. The front features \"2017 U.S. OPEN\" and \"ERIN HILLS\" embroidered in gold, with a prominent green shamrock logo. A USGA logo patch is visible on the side of the brim, showing minor discoloration. The back is embroidered with \"USGA MEMBER\" in blue and red, and includes an adjustable strap with a brass-toned buckle. The underside of the brim is green. This one-size hat appears to be made of cotton. • Official 2017 U.S. Open Erin Hills golf hat • USGA Member edition with embroidered front and back logos • Adjustable strapback, one size fits most • White with green, gold, red, and blue accents • Excellent collectible for golf fans or USGA members 2017 U.S. Open hat, Erin Hills golf cap, USGA member hat, tournament merch, golf collector hat, white strapback cap