Every young Boston Red Sox fan deserves a hat that keeps up with their energy, and this New Era Baseball 39THIRTY M-Crown Flex Hat delivers. The premier stretch-fit construction ensures a comfortable feel, while the embroidered team logo on the front and wordmark on the back help them rep their team from every angle. Embroidered baseball-stitch graphics add the kind of detail that makes this the perfect cap for the next generation of Boston Red Sox fans.