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.