Vancouver's factory brand Reigning Champ is produced by a factory that handles many OEM projects for various fashion brands. This unusual collaboration with John Mayer came about simply because Mayer himself was a fan of Reigning Champ. Utilizing a heavy weight fleece in a form of button up hoodie. However with the two tone color break up, it does appear to be a varsity jacket and the double striped ribbing also assist the varsity like aesthetic. There are black/white, black/black, navy/gray, gray/white and ivy green/gray versions available with matching John Mayer logo on the chest.