Shirts By Sarah Big Girl's Big Sister T-Shirt Sibling Matching Shirts Sizes S-XL are big girl's sizes on the size chart. 2T, 3T and 4T are little girl's. 100% preshrunk cotton sport gray contains 10% polyester Youth Size Information: XS: 4-5 Small: 6-8 Medium: 10-12 Large: 14-16 X-Large: 18-20 (just smaller than an adult S) Proudly Printed In U.S.A. Taped Shoulder To Shoulder, Double Needle Stitched Throughout, Seamless Collar