- 82% Regenerated Polyamide, 18% Elastane - Fits D Cup - Underwire Support - Moulded Cup Style - Keyhole At Centre Front - Adjustable Straps - Crystal Embellishment The Ballad Of The Bibliotheque Continuous Underwire Moulded Cup One Piece balances tailored support with flattering contour. It features adjustable straps, and a centre front keyhole cutout, detailed with embroidery. The print is inspired by the Rococo excesses of the Library of the Dauphin at Versailles. Tumbling pastel wreaths soften gilded symmetry.