2XU Women's Active Tri Singlet 92% Polyester/8% Spandex Imported Sbr skin x Technology boosts performance, support and recovery with 70D Elastane fabric High Fil mesh paneling on the front and back provides breathability and full range of motion Flat lock stitching creates a streamlined look, enhancing comfort while reducing chafe Two rear pockets are ideal for storing fuel during your event 50+ UV fabric to keep you protected from the sun's rays