Merrell Women's Lily Dress, Black, Small 90% polyester/ 10% Spandex Imported Smooth, stretchy fabric feels cool and comfortable Seaming hem detail Built-in bra offers supportive comfort Merrell Opti-Wick fabric transfers moisture away from your skin and dries quickly to keep you comfortable 90-Percent polyester / 10-Percent Spandex 50+ UPF fabric 27.5'' Center back length to hem (size medium) Sizes: XS-XL