Speedo 819016 Solid Flyback Training One Piece Swimsuit Black 38D Speed through the water in this performance one piece with racerback straps and a center back keyhole. Made especially for competitive swimmers, with resistance to chlorine and color fading. Made of polyester and PBT. Stretch wireless cups have covered elastic along top edge. Full front lining. Covered elastic racerback straps do not adjust. Covered elastic along leg openings for a custom fit. Keyhole over plunge back. Embroidered logo on front hem. One-piece swimsuit provides moderate rear coverage. No additional crotch lining. PBT is texturized polyester with natural stretch and chlorine and salt water resistance, and also resists color fading. All sizes have D cups.