New Era 9Forty A-Frame NBA Boston Celtics Black on Black

The New Era 9Forty A-Frame is the quintessential NBA cap, engineered for both style and comfort. This Boston Celtics iteration features a sophisticated black-on-black colorway that delivers understated team pride. The curved bill and structured A-frame crown provide a classic silhouette that suits various face shapes, while the adjustable back strap ensures a secure, customizable fit. Crafted with New Era's signature quality construction, this cap combines heritage design with modern wearability—ideal for dedicated fans and casual supporters alike.