Online exclusive! Button-down collar. Seamed back yoke, with center box pleat. Short sleeves. Six-button placket, with spare replacement buttons inside. Patch pocket at left side of chest. Soft-washed, lightweight woven Oxford cotton. Engineered with innovative Built-In Flex stretch technology. Equal parts comfort & movement. Flexin on em. Relaxed fit through body. Boys uniform short-sleeve shirt hits below waist. Machine wash cold, tumble dry low. spandex 3% cotton 97%