AHATECH Men's Body Shaper Slimming Shirt Elastic Sculpting Vest Tank 92%Polyester and 8%Elastane Material: 92%Polyester and 8%Elastane, hand wash to continue life of the garment. Perfect slimming and lifting undergarment makes you look inches smaller and pounds thinner instantly, slimming under shirt features firming panels to help trim and tighten your back and stomach. Stretchy firm tummy belly control slimming body shaper vest undershirt magic compression muscle shirt. This is an excellent under shirt garment for the man who wants to enjoy a good figure and good health.By the use of special material in the garment, the muscles in the abdomen experience a rise in temperature, helping to burn fat, and helping internal organs function better!