Boston Red Sox Tommy Bahama Home Run 1/2 Zip - Red. When the game goes into extra innings keep warm while supporting your team with this cotton-blend half-zip. This sweatshirt features sporty tonal stitching of the Red Sox B logo so that you can be a fan from the beginning to the end of the game. 57% cotton, 43% polyester. Machine wash cold on gentle, tumble dry low. Do not dry clean. Contrast stitching. Tape inside collar. Quarter-length zipper placket. Embroidered team logo at left chest.