I'm the Little Brother shirt by Adorable Originals. This is an adorable shirt to let the little brother in the family proclaim his special status! White T-shirt has short sleeves and the cutest design of a little brother boy wearing a colorful train shirt and baseball cap. 50% cotton/50% poly. Machine wash. Matching shirts available for little sisters and also for big brothers and sisters, middle brothers and sisters and baby brothers and sisters. By Adorable Originals.