Siren Stretch Modal Slip Dress // LavaA YFB signature cut In soft modal spandex fabrication. The Siren Slip can be styled up for cocktail hour with heels or paired back with sandals for a day event. This Women's draped midi dress in soft stretch jersey is designed to contour and flatter with effortless ease. Featuring a plunging halter neckline and gathered twist detail at the waist, it creates a sculpted silhouette with natural movement.