The Girls Gildan T-shirt in size M is the perfect 8th birthday shirt for a girl who loves rainbows. The black shirt features a solid rainbow pattern, short sleeves, a round neck, and a pullover closure. Made from 100% cotton, this regular fit shirt is machine washable and suitable for both party and casual occasions. With a theme of birthday and a style of basic, this T-shirt can be worn in all seasons and is a great addition to any girl's wardrobe.