The Under Armour Women's HeatGear Armour Racer Tank is a popular choice among women who do Crossfit. Made with HeatGear fabric, this tank top is designed to keep you cool and dry during intense workouts. It features a racerback design for maximum mobility and a slim fit that hugs your body without feeling restrictive. The tank also has a built-in bra for added support. With its stylish design and high-performance features, it's no wonder this top is one of the most wished for items on Amazon.