New Era

Boston Celtics NBA White 9FORTY Adjustable Cap

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Sizing guide

Order by 1pm for Same Day Dispatch

Delivery from £3.45 or FREE on orders over £50

Show off your loyalty to the Boston Celtics with the official New Era Boston Celtics NBA White 9FORTY Adjustable Cap. Perfect for any fan, this cap features the iconic Celtics logo prominently on the front, complemented by a stylish Celtics side patch on the right. The New Era flag is embroidered on the left side, adding a touch of brand prestige.

Designed with a structured crown, this cap maintains its shape and offers a sleek look. The curved visor not only enhances the cap's classic aesthetic but also provides excellent sun protection. The adjustable strapback ensures a comfortable, customisable fit, making it suitable for all-day wear.

Crafted from 100% cotton, the cap offers breathability and durability, making it an excellent choice for both game days and casual outings. Elevate your fan apparel with the New Era Boston Celtics NBA White 9FORTY Adjustable Cap and wear your team pride with style.

  • NBA Boston Celtics 9FORTY Cap
  • Boston Celtics logo on front
  • Boston Celtics sidepatch on right
  • New Era Flag embroidered on left
  • Structured crown
  • Strapback
  • Curved visor
  • 100% COTTON


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.


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.

New Era Cap Silhouette Guide

Choose the correct New Era Cap type and size for you.


The New Era 9Twenty cap is a relaxed fit style with an unstructured crown, offering adjustable sizes for a customised wear.


The New Era 9Forty cap boasts an adjustable fit, structured design, one size fits most, blending style and comfort in a versatile silhouette.


The New Era 9Fifty cap, a structured, snapback with an adjustable fit, comes in various sizes, offering a modern, versatile silhouette.


The New Era 39Thirty Cap offers a stretch fit, structured front panels, and comes in S/M to L/XL sizes, blending style and comfort.


The New Era 59Fifty cap, a fitted silhouette with structured panels, comes in various sizes, ensuring a snug, precise fit for all.