Boston Red Sox Green Monster 3/4 Sleeve Baseball Tee. This super soft classic baseball raglan made by 47Brand is perfect for the game or everyday style. '47 Franklin Raglan Tee is made from lightweight 80% cotton and 20% polyester, has 3/4 length sleeves, with a special garment wash process for a lived-in look and feel. This style features a distressed graphic on the chest, and soft, muted colors for a vintage aesthetic.