Dress fabric has flaws tread pool (see images) Product Details Change up your go-to formal wear with a flash of bright blue when you wear this silky back-baring gown by Alexis to your next event. Materials and Measurements Blue satin (98%Polyester, 2% Elastane). Sheath. Sleeveless. Crewneck. Back zipper closure. 53.5" from shoulder to hemline. Imported.