This product has 90 Polyester 10 Elastane. The DACTIVE men's sports t-shirt is designed with comfortable fabrics that are comfortable for you to move around in. The breathable fabric helps you move around in a cool and comfortable way. It can be worn after sports. Feel good all day long with the designs. I'm a size M. Chest measurement is 105 cm, Waist 81 cm and Hips 100 cm.