Effortless and full of energy, this lightweight, silky soft running dress makes mincemeat out of your other workout clothes. The easy, comfortable one-piece design simplifies, with a flirty skirt to flaunt how fast you are. Fun, feminine AND functional jacquard mesh on the tank keeps you cool with extra breathability. Back stash pocket. Saigon Silky Stretch: 87% Polyester / 13% Spandex (Tank). Motion Stripe: 88% Polyester / 12% Spandex (Skirt).