Backstage Imogen Pant in Cream. - size S (also in ) Backstage Imogen Pant in Cream. - size S (also in ) 95% cotton 5% spandex. Hand wash cold. Pleated waist detail. Belted waist tie closure. Hidden back zipper closure. 17 at the knee narrows to 14 at the leg opening. BACK-WP19. 74 306 133. Backstage is an Australian made clothing label that has street style, a bit of glam and a lot of rock. Backstage is influenced by music & the arts. Sequined, striped, or draped, Backstage is a line designed for girls with a rock and roll attitude.