Our Super V-Back Women's Swimsuit is constructed of Xtra Life lycra for added strength and maximum support. Designed to counter the "bag and sag" of traditional swimwear, the 9390 Solid Super V-Back Swimsuit, delivers a beautiful long lasting fit that stands up to the toughest workouts. Fully lined for added durability, The Xtra Life lycra Super V-Back resists chlorine and other pool chemicals 5-10 times longer than unprotected elastane. 80% Nylon/20% Xtra Life lycra Fiber.