Nike Swoosh Bra - Medium Support Smooth, stretchy fabric - sewn-in padding and a racerback silhouette - medium support - flexible, breathable mesh inside - Nike Dri-FIT technology that moves sweat away from your skin. Fabric Content: Body: 82% polyester/18% spandex. Bra mesh: 81% polyester/19% spandex. Elastic: 65% nylon/35% spandex. Bra mesh lining: 81% polyester/19% spandex. Pad top fabric: 100% polyester. Pad: 100% polyurethane. Pad back fabric: 100% polyester.