EMS Eastern Mountain Sports Primaloft 1/2 Zip Nylon Pullover Women's Size M Navy blue with light blue interior. Front zipper measures 14" and opens from the top or the bottom. Zippered pocket on one sleeve. Stand up collar. Light insulation. Ideal for running or other outdoor activities. The armpits are not nylon. They are a stretch fabric with a fleece backing. Pit to pit approximately 18" with extra room for expansion. Center back neckline to hemline is 25" A few of the rubberized letters are missing on the sleeve. See photo.