The Men's Nike Heather Navy Boston Red Sox Authentic Collection Early Work Tri-Blend Performance T-shirt is the perfect way to show your support for the Boston Red Sox. Made from a comfortable polyester, cotton, and rayon blend, this t-shirt features screen-printed graphics that proudly display your Boston Red Sox pride. The crew neck and Dri-FIT technology keep you comfortable all day long, whether you're cheering on the Red Sox at Fenway Park or relaxing at home.