Norma Kamali Low Back Slip Jumpsuit in Brown. - size XS (also in L, M, S, XL, XXS) Norma Kamali Low Back Slip Jumpsuit in Brown. - size XS (also in L, M, S, XL, XXS) 95% polyester 5% spandex. Made in China. Machine wash. Pull-on styling with back crisscross straps. Lightweight jersey fabric. NKAM-WC156. KK424JPL137656. The first designer to receive a plaque on New York's 7th Avenue, she is credited with inventing the sleeping bag coat, the silk parachute look, high heeled sneakers, and the popular packable, multi-use poly jersey. Let Norma Kamali show you the way.