Package: Flat Pack Undershirt (Strong Control-Hardens abs + Supports back). This is a comfortable shapewear with light fabrics, maintains correct posture and gives firm abdominal support amongst the men's girdles on the market. * Lined 100% in lycra for greater softness and comfort. * Viveltex protec components that contribute to the recovery and hydration of your skin. 85% Polyester, 15% Elastane. Size Chart