The perfect length dress does exist.The Yana Midi Dress is made from a sultry satin-like fabrication in a strapless silhouette. It features a mock-wrap design with boning through the body to contour the form, a shirred back bodice, concealed back zip closure and a front split detail. True to size. AU - Model wears a size 8 / US - Model wears a size 4. Main - 97% Polyester, 3% Elastane Lining - 95% Polyester, 5% Elastane.