Norma Kamali NK Box Shirt in Black. - size XS (also in ) Norma Kamali NK Box Shirt in Black. - size XS (also in ) 95% poly 5% spandex. Front velcro closures. Side slit pockets. Seam split arm openings. Raw cut edges. NKAM-WS25. KK4266PL024209. 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.