FOR: Sustained marathon prep, tempo runs, and stamina-building programs FEEL: Featherweight Stretch is made with recycled polyester and feels light as air FAVE: Bonded waistband with proprietary PowerMove fabric molds to your body as you warm up Back zip pocket secures your key and energy gels Fully adjustable continuous drawstring won't get lost in the wash Side slits offer maximum mobility Reflective detailing for workouts at dawn or dusk Raw-cut hem for total freedom of movement Built-in brief is lightweight and ultra-soft with sweat-wicking properties