Our longest-lasting and best-selling Endurance+ fabric is ultra-chlorine resistant and designed to last 20 times longer than conventional swimwear fabrics Four-way stretch technology providing a body-hugging fit, great shape retention and soft comfort Brief offers least coverage with most freedom of movement Resists sagging and bagging Low moisture absorption and quick drying Block the Burn w UPF 50+ protection Front gusset Description Swim laps around the competition wearing this performance swim brief. The classic silhouette is upgraded with durable Endurance+ fabric which combines chlorine resistance and four-way stretch for ultimate shape retention and fit. Fully lined and featuring an interior drawstring for added security, this quick-drying style is finished with Block the Burn UPF50+ sun protection for your safety.