These tank tops for men are perfect for daily wear or for working out. They're made of Supima cotton, which is one of the best cotton fabrics in the world. It's known for its soft feel and for being hypoallergenic. They has built-in stretch for a perfect fit and total comfort. They also feature firm compression to define your abs. Breathable mesh cutouts on the sides allow improved airflow to keep you feeling fresh all day long. The compression also offers back support and may improve your posture. Our special no roll-up technology was used to create the bottom of these shaper tanks, keeping them in place.