Cool J’s Miami lets Celtics fans flaunt their bragging rights with a flashy new headwear offering. Here is the Boston Celtics NBA Champs Green Black 59Fifty Fitted Hat. This cap sports a two-tone look with its green panels and black for the button & the uppervisor. The front design has the Boston Celtics arc text logo in white and gold raised embroidery. Embroidered on the right panel is the 2023-24 NBA Champs side patch. They added a neutral tone by using grey for the undervisor. On the left panel is the New Era Flag, and at the back is the NBA logo. Click here to grab one.