The Under Armour Women's HeatGear Armour Racer Tank is a top-selling bodysuit top on Amazon for women's calisthenics. Made with HeatGear fabric, this tank top is designed to keep you cool and dry during your workouts. It features a racerback design for enhanced mobility and a slim fit that hugs your body without feeling restrictive. The tank also has a built-in bra for added support and comfort. With its stylish design and high-performance features, it's no wonder this top is a favorite among women who practice calisthenics.