Aviator Nation 5 Stripe Sweatpant in Baby Blue. - size XS (also in L, M, S, XL) Aviator Nation 5 Stripe Sweatpant in Baby Blue. - size XS (also in L, M, S, XL) 50% cotton 37% polyester 13% rayon. Made in USA. Machine wash. Elastic waistband with interior drawstring. Stitched stripe accents at side. Elastic cuffs. Fleece lining. Lightweight jersey fabricItem not sold as a set. ANAT-WP43. WSPRS5. 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.