Rag & Bone Kaplan Slip Dress in Blue. - size M (also in ) Rag & Bone Kaplan Slip Dress in Blue. - size M (also in ) Pastel blue gains sex appeal with Rag & Bone's Kaplan Slip Dress. Featuring a wide tank silhouette, a draped back lends interest while a pointed, banded waist keeps a slim shape.. 100% viscose. Dry clean only. Unlined. Adjustable shoulder straps. Draped back detail. RGBR-WD9. W2723177K. rag & bone is rooted in a dedication to craftsmanship, innovation and timeless style. Each collection is designed in New York and developed through the time-honored techniques of some of the oldest and most supremely skilled manufacturers from around the world. Since the brand?s origins in 2002 the focus has been, and always remains, on creating the highest quality goods.