The Martini Dress drapes on the body in all the right places. Lower cut in the back with adjustable tie to fit over shoulders perfectly to you. Details 58% Rayon 42% Viscose Dry Clean Only Measurements Models are wearing size Small and XL This dress cut on the bias, which means that if you stretch it - it gets narrower and longer, and if you pull it - it gets shorter and wider. Size Bust (in) Waist (in) XS 30-32 24-25 S 32-34 26-27 M 34-36 28-29 L 36-38 30-31 XL 38-40 32-33