Speedo Black Endurance Brief Size 34Highly resistant to fading, stretching, and degradation Quick drying design finished with Block the Burn UPF 50+ sun protection Even after repeated exposure to chlorine, bromine, oil, or body lotion 20 times more color resistant than standard swimwear fabric Improved fit and comfort has a softer feel and superior shape retention Fully lined and featuring flat interior drawstring cord Ideal training and recreational use