I bought this brand new when I saw Marilyn Manson in concert in 2012. I wore it maybe once. It's a men's/unisex size M. The chest measures about 19", the length is about 28", and those measurements were taken while the item was laying flat. The material is stretchy. 🦇 Thank you for checking out my listing! 🦇 🦇 Please ask all questions prior to purchasing 🦇 🦇 All sales are final 🦇