Aviator Nation 5 Stripe Sweatpant in Blue. - size L (also in M, S, XL, XS) Aviator Nation 5 Stripe Sweatpant in Blue. - size L (also in M, S, XL, XS) 50% polyester 38% cotton 12% rayon. Made in USA. Machine wash. Elastic waistband with interior drawstring tie closure. Elastic cuffs. Fleece lining. Item not sold as a set. 19 at the knee narrows to 8 at the leg opening. ANAT-WP87. 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. Shop the latest in fashion from Aviator Nation