ALWAYS CHECK THE SIZE CHART (IN IMAGE SECTION ABOVE). SIZES PROVIDED ARE UK SIZES, BE SURE TO MEASURE AND CHECK THE SIZE CHART BEFORE ORDERING. The TYR Curve Splice Jammer is a great choice for swim training or fitness swimming. The TYR Curve Splice Jammers are designed and constructed with TYR's most durable textile, Durafast Elite™ - which utilizes high denier poly fiber and innovative circular knit construction to combine the strength and colourfastness of polyester with the comfort of spandex. These TYR Curve Splice jammers stop above the knee and feature both a compressive fit and adjustable drawcord waist. A championship cut and bold print amplify the suit's highly technical appearance.  The TYR performance jammer provides UPF 50+ sun protection, 360 degree range of motion and an antimicrobial lining for freshness. All Durafast Elite™ suits are chlorine proof and sustain an impressive 300+ hours of performance. Features: Antimicrobial lining Internal drawcord UPF 50+ sun protection. Chlorine proof Impressive 300+ hours of performance. TYR Durafast Elite™: 94% Polyester / 6% Spandex