- Cup size A-C- Size XSTight fit for a body-hugging feelZippered frontBody: 64% polyester/36% spandex. Mesh: 65% nylon/35% spandex. Bottom hem: 77-79% nylon/21-23% spandex. Straps: 57-72% nylon/28-43% spandex. Mesh lining: 81% polyester/19% spandex. Pad top and back: 100% polyester. Pad: 100% polyurethane.