Speedo Fastskin FS-Pro Recordbreaker Female - Size 28 [Navy] New Comfort Strap reduces shoulder pressure. Fit engineered from body scan data resulting in an optimum biomechanic fit. Compression fabric reduces muscle oscillation and skin vibration. 4 Way Flat Seam are low profile, high strength stitched seams. Fabric: 75% Nylon/25% Spandex.