100% engineered from 2XU's industry leading X LITE PRO, the world's lightest specialist run fabric through wet and dry conditions alike, runners will perform faster and freer than ever in this intelligent short sleeve piece. Weighing just 86gsm, the revolutionary knit structure of X LITE PRO comes with ICE X embedded into the yarn to reflect UV rays; keeping athletes cool, protected and ventilated thanks to high level moisture management. Minimal seams and contoured raglan sleeves assure comfort, while reflective trims deliver safety.