SOL'S SUMMER II KIDS, Kids' Polo Shirt, 100% Combed Ringspun Cotton Piqué 170, Rib Collar, Reinforcing Tape On Neck, Short Sleeves, Tone On Tone 3 Button Placket, Straight Hem With Side Slits, Cut And Sewn. About Sizes Matching, Please Refer To The Size Chart In The Product Documentation Section.