The Under Armour Women's HeatGear Armour Racer Tank Top is built for comfort and performance, with a super-soft pinhole mesh fabric that allows air circulation and breathable comfort. Under Armour HeatGear keeps you cool with fast-drying, moisture-wicking, odor-fighting technologies. Four-way-stretch construction moves with you and rolled-forward, flatlock seams prevent chafing. The Under Armour Women's HeatGear Armour Racer Tank Top has a scoop neck and classic racerback with a droptail hem for added coverage when you're active. 94% polyester/6% elastane.