The Arizona Diamondbacks 39THIRTY M-Crown A-Frame Stretch Fit Cap is a black, officially licensed cap designed for fans of the MLB team. It features a structured low/mid crown fit with a narrow slim profile and a curved brim.

• 97% polyester / 3% spandex (one description states 95% Polyester/5% Spandex)
• Tonal graphics
• Embroidered Diamondbacks logo on the front panel
• Matching team wordmark on the rear
• Gray undervisor
• Performance Stretch sweatband
• New Era Flag embroidered on the left-wear side