We bought this as a prop so to speak for our son's classroom presentation about Benjamin Franklin. I highly recommend! We bought size XL and my son wears a boys size of 14 (generic sizing boys XL). My son is on the petite side so I did have to shorten the jacket length and sleeves (he's 8 years old). I would say the chest / back / shoulders is true to size where a size Boys 14/16 is concerned. We bought the matching wig which also comes with glasses. The glasses shown in my online review picture are real glasses, not the glasses that come with the wig. The material used is of good quality, not cheap Halloween-ish material.