SPANXshape BoostUp Strappy Back Athletic Dress in women’s size XS. Beautiful pink performance dress featuring a flattering fitted A-line silhouette, V-neckline and eye-catching crisscross back with a breathable mesh panel. Designed with built-in SPANXshape Booty Boost shorts for targeted tummy and waist shaping. The integrated shorts provide comfortable coverage and include hidden pockets for a phone, keys or cards. A built-in supportive bra with molded cups offers additional support.