Captain RibMan : Nerd / Geek COEXIST T-Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Official Captain RibMan Signature Design - Can be worn inside-out for added wardrobe versatility and laundry savings! Coexist, fandoms, geek, nerd, nerdy, geeky, popular, comic book, pop-culture, most popular, liked, television, movies, sci-fi, space, aliens, t-shirt, shirt Lightweight, Classic fit, Double-needle sleeve and bottom hem