Designed for today?s athlete, the SSBL7A boasts a 100% polyester construction, making it nearly 20 times stronger than traditional swimwear. So, whether your training takes you to the pool or the beach, you can be sure TYR?s Durafast One fabrication will provide both a secure fit and fade-free color. TYR jammer swimsuits stop above the knee and feature both a compressive fit and adjustable drawcord waist. Allowing for unrestricted mobility, the jammer is ideal for athletes who want reliable coverage during every swim.