NOT MY PROBLEM – Make a clear statement! Our new t-shirt is simply a must-have at work or for a cozy drinking night. Product features: The t-shirt has a round neckline, short sleeves, and is woven from lightweight cotton. Combined with the cut, this results in a body-hugging fit. *The material composition varies depending on the color: Sport Grey: 85% cotton, 15% viscose; All other colors: 100% cotton.