





New Era
Boston Celtics NBA Side Patch Black 9FORTY Adjustable Cap
Show your Celtics pride from every angle with the NBA Side Patch Boston Celtics 9FORTY Cap by New Era.
Front, side, left—no matter where someone’s looking, they’ll know exactly who you back. With the iconic Celtics logo up front and an eye-catching side patch on the right, this cap doesn't do subtle—and why should it? The structured crown and curved green visor bring that classic courtside swagger, while the strapback keeps things comfy for all-day wear (whether you're watching the game or just pretending you could’ve gone pro).
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Boston Celtics logo on the front, because loyalty
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Side patch on the right, for added bragging rights
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Embroidered New Era Flag—style matters too
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Structured crown with curved green visor
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Adjustable strapback fit
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100% cotton comfort, because itchy hats are a foul
Go on—let your headwear do the trash talking.
Shipping & Payment
Orders placed before 1pm are shipped the same working day.
Free UK delivery on orders over £50, otherwise from £3.45. More details
Free European Delivery on orders over £100, otherwise from £7.
Free ROW Delivery on orders over £150, otherwise from £9.
We accept all major forms of payment types including credit/debit card, Amazon and PayPal.
Returns & Exchanges
Our returns procedure is designed for ease and convenience. Within 30 days of purchase, customers can initiate a return via their account for a self-service process. This streamlined system ensures a hassle-free experience when returning orders.
About USA Sports
USA Sports is a UK retailer based in Newcastle, offering official headwear and apparel from the NFL, NHL, NBA, MLB, NCAA, and F1. Established in 2013 by passionate fans, USA Sports serves as a premier destination for dedicated followers of American sports leagues.