#1 Little Sister T Shirt - Number One Sis Brother Gift Tee 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 Great for little or big brother or sister. Varsity football, baseball school jersey style tshirt. Perfect to wear to a ball game or party. Vintage, distressed, weathered design for you favorite parent or grandparent. Lightweight, Classic fit, Double-needle sleeve and bottom hem