From the Holiday Collection. The Iris gown from Dress The Population features a body-hugging mermaid silhouette, plunging V-neck, and thigh-high side skirt slit. V-neck Sleeveless Thigh-high skirt slit Back-zip closure 97% polyester/3% spandex Lining: 100% polyester Machine wash Imported SIZE & FIT Mermaid silhouette About 62 from shoulder to hem Model measurements: 510 tall Model is wearing a US size Small. Dress Collections - Contemporary Evening > Dress The Population > Saks Fifth Avenue > Barneys. Dress The Population. Color: Black. Size: XXS.