Gear up for your next Buffalo Bills adventure with this New Era Adventure Perform 9SEVENTY Adjustable Hat. The 9SEVENTY provides a modern adjustable fit and versatile style with its structured crown, semi-curved visor and performance stretch sweatband. Featuring COOLERA technology, this hat wicks away sweat to keep you feeling cool and dry, while MICROERA technology acts as an anti-microbial to reduce odor.