This Classic T-Shirt features a 60% combed ring-spun cotton/40% polyester blend. It's ultra comfortable, 4.3 ounce, soft feel is bound to satisfy all. The simple CKFF curved design definitely does not disappoint. Also embellished with classy "Chris Kyle Frog Foundation" lett ering on the back neck and a one color CK Flag on the sleeve.NOTE ON SIZING: This shirt is an "athletic fit" and is slightly more form fitting than standard men's sizes. We recommend sizing up for a looser fit.