This support shirt uses highly elastic material to correct posture just by wearing it, fixing a hunched posture, expanding the chest, and lifting the gaze, boosting confidence. La-VIE Posture Shirt Men's Short Sleeve Black L size. - Size: L - Material: 84% Nylon, 16% Spandex - Color: Black - Features: Posture correction, body shaping - Suitable height: 175cm - 185cm - Suitable chest size: 95cm - 105cm Thank you for viewing. I tried it on once, but it doesn't fit, so I'm selling it.