Aviator Nation Crew Sweatshirt in Heather Grey - Grey. Size XS (also in L, M, S, XL). 50% cotton 37% polyester 13% rayon. Made in USA. Machine wash. Front screen print graphic. Logo stitched detail at hem. Fleece lining. Lightweight jersey fabric. ANAT-WK49. SWAN. Who doesn't have an obsession with vintage clothing? Paige Mycoskie, creator of Aviator Nation sure does. That's why she began studying the art of authentic vintage clothing and starting creating her own line of tee's, sweatshirts and hats to give the world that well worn feeling of so long ago.