SPEEDO Skirtini with Compression Short Speedo Endurance Engineered from our exclusive, longest lasting and best-selling Endurance fabric:100% chlorine resistant fabric designed to lasts 20 times longer than conventional swimwear fabrics.Four-Way Stretch technology providing a body-hugging fit, great shape retention and soft comfort.Helps resist sagging and bagging, keeping swimwear fitting newer longer.Solid swim skirt with built in compression short.Provides a more efficient workout.Speeds up recovery time.Increases support.Slims the body.Optimizes calorie burning.