Authentic and purchased at the game in Boston. New Era 9TWENTY adjustable hat features a tonal grey Boston Celtics logo with a vibrant green embroidered border. Crafted from 100% cotton, this unstructured cap offers a relaxed fit with a curved brim and a silver-tone metal slide closure for a customized feel. The interior includes branded seam taping and an official NBA logo on the back strap. Brand: New Era Team: Boston Celtics Style: 9TWENTY Color: Charcoal Grey / Green Material: 100% Cotton Closure: Adjustable Metal Slide Size: One Size Fits Most (OSFM) MPN: 12304436 Keywords: NBA, Basketball, Celtics, Boston, Dad Hat, Relaxed Fit, Streetwear, Sports Fan, Casual, Embroidered, Tonal Logo, Grey Hat