TYR Sport Women's Solid Diamondback Workout Bikini Swim Suit Solid, two-piece swimsuit designed for training and recreational swimming TYR Diamondback design allows maximum freedom of motion and reduced drag Flattering thin strap binding system for comfort and support Construction of 80 percent nylon and 20 percent Xtra Life Lycra Resists chlorine five to ten times longer than traditional spandex swimwear