TLIH Women's Plus Size Summer Beach Maxi Dress Sleeveless High Waist The optional sizes are Asian sizes.Asian size is two sizes smaller than US or UK size,so you'd better buy 2 sizes up. The best way is viewing these detailded size data carefully and select the right size according to you measurement: XL=Length:57.87in,Breast:40.16in XXL=Length:58.27in,Breast:41.73in XXXL=Length:58.66in,Breast:43.30in XXXXL=Length:58.66in,Breast:44.88in Fabric:chiffon Chiffon fabrics drape super good,fine workmanship,more stylish. Slim waist tailoring,high waist with adjustable pulling rope make more slender body curve.