Calling All Gym Baddies. Designed To Stay Put During Weight Training, This Strappy, Light-Support Sports Bra Has An Open Back And Bonded Cups. Designed For Training. Intended For Low-Impact Activities. Our Incognito Bra Cups Are Breathable, Cushioned, And Integrated Into The Bra To Provide Coverage And Shaping That Stays Put (No Need To Reinsert After Washing Or Readjust Between Wears),an Open Back Lets Your Body Breathe, Soft, Brushed Underband, Bonded Straps And Neckline Sit Flat And Provide A Smooth, Clean Look.