Teenage Mutant Ninja Turtles: Mutant Mayhem Mondo Gecko T-shirtJoin the ranks of mutants with the Teenage Mutant Ninja Turtles: Mutant Mayhem Mondo Gecko T shirt, perfect for skaters and TMNT enthusiasts alike. Solid colors are 100% Airlume combed and ring spun cotton Ash color is 99% combed and ring spun cotton, 1% polyester Heather colors are 52% combed and ring spun cotton, 48% polyester Athletic and Black Heather are 90% combed and ring spun cotton, 10% polyester Heather Prism colors are 99% combed and ring