Derek Lam Collective floral popover dress in excellent used condition. Italian size 42 but US size 6. Cut with a ruffled popover and flounced hem for a flowy fit, this floral Derek Lam 10 Crosby dress offers a whole lot of fun. Materials and Measurements Green and blue floral printed crepe (100% Polyester). Hourglass. Sleeveless. Square neckline. 51" from shoulder to hemline. Imported. Size and Fit Size 42, Italian sizing. Size 6, US sizing. Regular measures 51" from shoulder to hemline