Our Solid Racer is constructed of Xtra Life lycra for added strength and maximum support in the water. Designed to combat the "bag and sag" of traditional swimwear, the 1450 Solid Racer, delivers a long lasting fit that allows this swimsuit to stand up to the toughest workouts. Male front lined, The Xtra Life lycra Racer resists chlorine and other pool chemicals 5-10 times longer than unprotected elastane. 80% Nylon/20% Xtra Life lycra Fiber.