Get to the stadium and root for your Boston Red Sox to score the winning drive in this Cut n Sew Flex Hat. The 39THIRTY design is New Era's premier stretch-fit style hat, engineered specifically to create a comfortable fit that lasts from the tailgate to celebrating after the big win. The embroidered team logo with raised details on the front crown leaves no doubt where your allegiance lies, whether watching from the stands or at your favorite hangout.