SPEEDO LZR Fit Thick Strap One Piece PowerPLUS Built for the fitness swimmer, this streamlined training suit increases muscle support for added power and quick recovery. Seam construction improves linkage of the muscular kinetic chain helps maintain optimal position while lap swimming. Bonded seams are strategically placed to help maintain optimal position while lap swimming chlorine-resistant fabric provides great shape retention. Hydro Bra 2.0 features power mesh utilized on the side panel to offer support, while maintaining proper fit for arm and shoulder movement. PowerPLUS fabric provides added compression increasing muscle support for added power and quick recovery. Open keyhole back with slim straps. Bonded seams eliminate chafing. Racing leg height. Fabric: 79% Nylon/21% LYCRA? Xtra Life Spandex