2XU Compression Run Short: A versatile, longer leg run short thats not only light weight but offers a PWX FLEX compression inner lining to stabilise muscles & enhance circulation during activity. Perfect for running yet equally suitable for crossover into the gym & other casual disciplines. Denier graded Vapor fabric wicks moisture to keep the wearer dry. Adjustable Waistband Reflective Trims PWX Flex Inner Compression Short Vapor fabric wicks moisture to keep the wearer dry