COS Stores PortugalThis piece is part of the COS ATELIER collection, a limited capsule founded on the principles of luxury and exceptional design. CUT The ATELIER backless vest lends itself beautifully to layering but looks equally striking worn solo. It has been expertly tailored for a classic cut and has a cinched waist, a low cowl back supported by an elasticated band and a slender halterneck in lieu of traditional shoulder straps. Our stylists suggest wearing it as a three-piece suit with the deconstructed blazer and pants from the collection.CLOTHChosen for its substantial hand feel and effortless drape, the weighty stretch-crepe cloth is enhanced with a touch of premium Mulberry silk. It fastens with a row of color-matched corozo buttons.CRAFTEvery detail has been carefully considered, from the clean edges to the tonal topstitching. It will arrive packaged in a bespoke garment bag, which you can use to carry it to events.78% Viscose, 18% Mulberry silk, 4% Elastane / Dry cleanFront length of size 6 is 19.48″ / Model wears a size 6