Summit Blackout Sports Bra Summit Blackout Sports Bra Self: 86% polyamide 14% polyurethane Contrast Fabric: 90% nylon 10% spandex. Made in USA. Machine wash. Unpadded. Elastic underband. Front and back cut-out. Contrast stitch detail. KORL-WI90. A140E32. Since its inception, KORAL Activewear has made it their mission to design high-fashion for the highly-active woman. Brazilian designer Ilana Kugel is committed to creating leggings, sports bras, tanks, tops, jackets and more that use only the most flattering fabrics, show off bold design and have an unmatched technology weaved into their make-up. KORAL Activewear allows for effortless transitions and timeless style - no matter how busy you are.