This listing is for a VTG Polo Sport Ralph Lauren windbreaker jacket. Sleeves are removable to turn jacket into a vest. Size medium (see below for exact measurements) and made of 100% nylon. Used and in good condition. If you have any questions please do not hesitate to ask and thanks for looking :) Measurements: Chest Width (pit to pit): 24.5" Length (collar to hem): 27" Sleeve Length (armpit to end of sleeve): 19"