Size XS fits like Small - I wouldn’t want to sell this as an XS since I know it runs big, so I listed as a small! Laid flat at waist I measured 13in so 26 total - but since it’s very stretchy and strapless most people size down New with tags attached You'll be the main event every time you wear the Lulus Stunning Element Navy Floral Mesh Ruffled Strapless Maxi Dress! Stretchy floral mesh shapes this gorgeous dress. Bustier-style bodice boasts a strapless sweetheart neckline (with hidden no-slip strips), gathered cups, and a sheer, paneled design with supportive boning. High, fitted waist tops a flaring skirt that has gorgeous ruffled details, finishing at a maxi hem. Hidden zipper/clasp at back. Details Shell: 100% Polyester. Lining: 100% Polyester. Cups and skirt are lined. Bodice is unlined and sheer.