2 Rear pockets for race essentials Kinetic Compression lycra for less muscle fatigue Kinetic Speed Swiss engineered turbulent airflow technology 2XU long distance chamois 2XU Silicone Leg Gripper Support with anti ride silicone gel strip Sourcing from the best materials on the planet we have Swiss built KINETIC SPEED fabric with its dimpled airflow technology and 40 Denier power lycra KINETIC fabric for greater power output and less muscle vibration for increased endurance. Equipped with our Italian fabricated long distance triathlon chamois, this is the perfect short for long distance racing. Rear pockets for race essentials. Long course Italian made triathlon chamois, support for the bike whilst remaining discreet for the run. Sizing Chart