The Under Armour Women's HeatGear Armour Racer Tank is a popular choice among women for orienteering bodysuit tops on Amazon. This tank top is made with HeatGear fabric, which is designed to keep you cool and dry during intense 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 bodysuit top is a top choice among orienteering enthusiasts.