MEN LOSE WEIGHT TUMMY WAIST VEST BODY SHAPER GIRDLE OUTDOOR SPORTS SHIRT black S: 4"11 to 5"1 inches, 66 to 120 pounds/ M: 5"1 to 6"11 inches, 120 to 165 pounds/ L: 5"1 to 6"11 inches, 165 to 200 pounds/ XL: 5"1 to 6"11 inches, 200 to 220 pounds Fits great under a variety of shirt styles,Cut longer to tuck in for slimming all through waistline Elastic flat lock stitching disappears under clothes,It has no any side effect,its material is cotton and spandex Sculpts and streamlines torso,Flattens tummy, defines chest Smooths love handles, muffin top and "man boobs",Supports lower back for improved posture