These Pro Club comfort tees are high quality 100% cotton and are preshrunk for longer wear and durability. Pro Club brand t-shirts are popular among the most discriminating, because of their high quality. Grey is 90% cotton/10% polyester and Neon is 50% cotton/50% polyester. Sizes: S-3XL. Machine wash in cold water, do not bleach tumble dry low. Fabric made in U.S.A. Assembled in Mexico.