It's a size medium. It's oversized for a medium. I would recommend for people who wear a L or XL. Never used. Short jacket in windproof, water-repellent fabric. Hood with an elasticized drawstring. Zipper at front with wind flap and snap fasteners, diagonal front pockets with flap and concealed snap fastener, and an inner pocket with snap fastener. Long raglan sleeves for added freedom of movement. Elasticized trim at cuffs and hem. Mesh lining. Composition Shell: Polyester 100%, Lining: Polyester 100%