Designed for today's athlete, the BOSB7A 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. Featuring cutouts at each side and an adjustable cord waist, the mini bikini bottom is ideal for athletes who want minimal coverage during every swim.