Baseball Isn't BoringA Collaboration with Pro Baseball Player Joe Kelly and Friends. Join the Baseball Isn’t Boring Movement.White: high quality 60% combed ringspun cotton, 40% polyester. Red,Black,Royal Blue: high quality 50% polyester, 25% combed and ringspun cotton, 25% rayon.100% soft and comfortable. Virtually no shrink. Official Baseball Isn't Boring Unisex T-Shirt Royal Blue