NFL On Field Replica in a 9Forty Adjustable Cap. Fully adjustable 9FORTY profile. The timelessly stylish 9Forty The League Cap from New Era has already become an established must-have accessory for all fans. The baseball cap features a conventional design with a reinforced front and a pre-curved peak that is 7 cm long. In contrast, the head section is 10 cm tall. The NFL cap can be adjusted to fit any size so that it sits perfectly on the wearers head and offers outstanding comfort. Fitted with the famous New Era flag logo stitching on the side.