LAROS, vintage 1940s nightgown slip dress, soft peach bias cut Bemberg rayon slip dressvintage 1940s nightgown slip dress, LAROS soft peach bias cut Bemberg rayon slip dress, full length Iconic 1940s nightgown. Fabric is a shimmering bias cut rayon. I guess "Bemberg" is a brand of rayon, but you would swear this is a silk. Color is the softest peach. Fitted bodice with that iconic gathering under the bust and gorgeous framing lace trim. Ruched straps lead to a smooth V back. Skirt is bias cut and gathering at the hips. Slightly flared