ORCA Core Triathlon Racing Suit Women's Sleeveless Tri Suit Size S. This triathlon suit has 2 back pockets, a padded butt and built in sports bra with a zipper closure. Retails for $179 new. The Orca Race Suit incorporates technologies focused on improving aerodynamics, with the goal of providing maximum performance in triathlon events. The Aero fabric in the shoulders, arms and back contributes to aerodynamic performance for cycling, as well as flexibility in the swimming segment. In the torso and legs, Vapour-cool technology helps to cool the triathlete's body, allowing sweat to evaporate more quickly.