The Buffalo Bisons Theme Night Blue 39THIRTY M-Crown Stretch Fit Cap features an embroidered Bisons "Locally Made" theme night logo at the front panels with a matching MiLB Batterman logo at the rear, the Buffalo city skyline at the right-wear side, and a gray undervisor.

This identity is a general nod to the city of Buffalo, featuring a baseball-inspired take on the city's flag.