Unisex NYU Stern, We Are Stern T-Shir in Hthr. Grey Size: M (See measurements)

Small faint stain on the back at the bottom. No rips or holes. No size tag. NYU Stern crew neck t-shirt. No tag so I'm not sure if it's 100% cotton or cotton polyester blend. Size: ? 19" armpit to armpit. 18" across the shoulders. 26" collar to hem (length).