Send all the good vibes to the Houston Astros for a big win with the New Era Astros SS Evergreen OTC Cap. Crafted with lightweight polyester fabric, this snap hat offers an adjustable fit while letting you light up the stadium with your true spirit of sportsmanship. The undervisor keeps you protected from the harsh sun rays. Cheer on your team till the last dunk by sporting the New Era Astros SS Evergreen OTC Cap. 100% polyester.