This is a girls shirt by Old Navy in a size M (8).
It is turquoise and features pleats along the lower back hem.
It measures 12.5" from underarm to underarm, 4" from top of the shoulder to hem, and 16.75" from the back of the neckline to hem. It was made in Indonesia with 47/47/6 polyester/rayon/spandex.
This top comes in great pre-owned condition.