This is a down for it all jacket by Lululemon. It is a size 2. It is new with tags. Measurements armpit to armpit 16 inches. Sleeve length 29 inches. Length 22 1/2 inches. Measurements are approximate.Designed for Running. This jacket is fully loaded for running in cold weather. Zoned insulation holds warmth where you need it and stretchy fleece keeps you moving freely. Water-Resistant, Glyde™ Fabric Slim Fit, Hip Length Product Features