The lightweight stretch fabric is durable, comfortable and adapts to movement. The material wicks away sweat and dries very quickly. 4-Way Stretch technology for better movement in every direction. Internal mesh liner provides additional coverage and support. Elastic waistband with internal drawstring that has been modified to be more comfortable and lighter. Secure zippered back pocket and outer pocket on the inside. Reflective tapes for better visibility when running in low light conditions. Shaped hem with side slits and piping.