Speedo Girls Aquablade Racerback A go-to competition suit you can always count on for great comfort, fit, and performance. Stripes create channeling effect to streamline water away from the body. Unique Aquablade fabric offers lower drag co-efficient and is slicker than skin. Sleek, streamline, and built to last; this is a must-have basic you'll reach for again and again. Durable, chlorine-resistant. fabric with water-channeling stripes to help reduce drag. FINA approved style. Fabric: 80%Polyester/20% LYCRA® spandex. Note: Colors Black and Navy do not have a liner.