I'm Not Gay But My Boyfriend Is Pride Baseball T-Shirt. An always-fashionable style, this baseball T-shirt is great by itself or as a layer under a T-shirt or hoodie. 100% ring-spun cotton (heather gray color is 90% cotton, 10% polyester. Heather Blue/Navy is 50% cotton/50% polyester) Imported, printed and processed in the U.S.A.