Aviator Nation relaxed fit sweatshirt is UNISEX. Runs oversized. This is a size small. I missed the return window and this is brand new never worn in bag. Female model is 5'8" wearing XS. Size down for traditional fit. The most comfortable sweatshirt you'll ever own! All Aviator Nation products go through an intense breaking-down process that gives them a vintage feel you'll love because it's broken in from day one of wearing it. You're going to live in this sweatshirt. - Sweatshirts are UNISEX sizing - Hand sewn in our own factory in the heart of Los Angeles - Tri-Blend Fabric: 50% polyester, 38% cotton, 12% rayon - Machine wash cold with like colors. Hang or tumble dry on low