Chicago Cubs t shirt, blue, red, and white I believe it is cotton, but the tag that displays the size and fabric type has been removed. My husband wears a size Large and tried the shirt on and it fits like a Large/XL. I've provided measurements in the pictures. Shirt is in great condition with no fading, tears, or cracking in the graphic. chicago cubs cubbies wrigley field short sleeve tee tshirt t-shirt top cotton casual baseball MLB go cubs go