Nolama Women's Steel Boned Waist Cincher Vest 6 Row Hooks Girdle Body Shaper 80% Nylon + 20% Spandex: Medium Compression Control, snug but comfortable. Front closure with 4 levels adjustable hooks & eyes for easy on and off. Adjustable shoulder straps and steel flexible boning for extra support prevent garment from migration. Designed to shapes waistline and lifts breasts, alleviate back pain and correct posture. Please use Size Guide located on the left of the product image.