Aviator Nation Sweatpants in Blue. - size XS (also in L) Aviator Nation Sweatpants in Blue. - size XS (also in L) 50% cotton 37% poly 13% rayon. Elastic waistband with interior drawstring. Elastic hem. Screen print graphic. Back embroidered logo. Fleece fabric. Made in USA. ANAT-WP1. WSPAN. 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.