The New Era Yankees 59Fifty 100th Anniversary Stone Cap is more than just a cap; it's a symbol of unwavering fandom and a testament to the Yankees' history. Crafted from polyester woven fabric, this 5950 fitted cap commemorates 100 years of unforgettable games and glory. Celebrate this milestone with the New Era Yankees 59Fifty 100th Anniversary Stone Cap and cheer on the Yankees for decades to come! 100% polyester woven.