New with tags ! The measurements for the size small are 14.4 inches armpit to armpit and 46.5 inches shoulder to hem. The measurements for the size medium are 15.5 inches armpit to armpit and 47 inches shoulder to hem. The measurements for the size large are, 16.5 inches armpit to armpit and 47 inches shoulder to hem. The measurements for the size extra-large are 17.5 inches armpit to armpit and 47.5 inches shoulder to hem.. The material is 95% polyester and 5% spandex. It is very stretchy. The materiel is light weight and thin. Please follow me on Instagram at “spreadloveonposh” Thank you for visiting my closet! To be notified of future sales and new arrivals please like my Meet the Posher!