This is a men’s size medium sweatshirt. It runs a little big. Measurements will be listed. No material tag but this sweatshirt is synthetic probably polyester and has a shimmer to it. Kind of like a track suit material. It’s hard to tell in the photos. There are a couple of snags in the inside of the hood but does not show on the outside. Never worn Pit to pit 22” Underarm to wrist 16.5” Please let me know if you have questions. Bundle and save