MATERIAL80% cotton, 20% polyester New Era A global "lifestyle" brand that offers unique hats and sportswear. The company was founded in 1920 by Ehrhardt Koch in Buffalo, USA, and is now run by the fourth generation of the same family. Today, they are partners of the NBA, NFL, MLB and many other leagues and clubs, which is why their top quality products with great design are always recognizable and extremely popular! New Era Piping Detail Boston Celtics Joggers ''Black''