THE BRA THAT BREATHES WITH YOU.The Nike Swoosh UltraBreathe Sports Bra has a virtually weightless feel that's all about airflow. Mesh fabric breathes and wicks sweat from your skin to keep you cool and dry. Exhale knowing that comfortable support won't be a problem.Ultralight BreathabilityVirtually weightless mesh fabrics with different degrees of breathability and Dri-FIT technology work together to keep you cool and dry.Ready to MoveA racerback design lets you move freely through your most intense workouts. The breathable elastic underbust band helps keep the bra in place.Medium SupportClassic coverage with a tight fit helps keep you supported during medium-impact activities like gym workouts, spin and cross training. More Details Tight fit for a body-hugging feelReflective detailNot intended for use as Personal Protective EquipmentBody/back panel/lining: 78% polyester/22% spandex. Overlays: 81% nylon/19% spandex. Bottom hem: 66-68% nylon/32-34% spandex. Binding: 76% nylon/24% spande