Vintage Pinafore Dress

Cute vintage Alfred Sung pinafore in a tan/brown tartan pattern. Flannel like material which is warm and cozy. Perfect with a Claudine/Peter Pan collared shirt but quite charming with any variety of shirt styles. Not sure what size 2 means but I’ve worn small (5-8) most of my life and it’s fit well at various sizes(more or less snuggly, of course). Fairly good used condition.