This unisex hybrid jacket is perfect in between seasons of autumn and winter. It can also be used as a 2nd layer. It is called hybrid because of the mix of fabrics. It has “sandwich-softshell” that is a 3-layer softshell. Fabric:80% NYLON 16% POLYESTER 4% ELASTHANE ( SPANDEX). Since Unisex it measures big so a S is more like a M for women.