Superhero Comic Boy's Birthday T-Shirt 10 Years Old 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 Fun boy's birthday t-shirt for the 10 year old celebrating a super hero theme party bright blue yellow and red for the superhero birthday boy Lightweight, Classic fit, Double-needle sleeve and bottom hem