Merrell Women's Lily Dress 90% Polyester, 10% Spandex Imported 27.5" Center back length to hem (size medium) Merrell Opti-Wick fabric transfers moisture away from your skin and dries quickly to keep you comfortable Smooth, stretchy fabric feels cool and comfortable Built-in bra offers supportive comfort 50+ UPF sun resistant fabric 27.5" Center back length to hem (size medium)