Speedo Women's LZR Racer Pro Recordbreaker Kneeskin w/Comfort Strap Black 23 New Comfort Strap reduces shoulder pressure. 100% Textile Swimsuit fully compliant with FINA regulations. Fit engineered from body scan data resulting in an optimum biomechanic fit. 3D, 3-Piece Pattern creates the ultimate fit with complete freedom of movement engineered to optimize swimmers' shape. LZR Pulse is exclusive compression fabric reduces muscle oscillation and skin vibration.