Very close-fitting, underlined, interfaced, lined and boned bodysuit corsets have sweetheart neckline, elasticized leg and hook & eye crotch closing.A:Back invisible zipper.B:Back opening with extension/lacing. Purchased bias tape finish.C:Button on collar and cuffs.D:Detachable snap-on tail has fiberfil stuffing. Includes separate pattern pieces for A/B, C and D cup sizes.