The snug fit of the Nike Power Running Tight provides coverage for your run with a supportive feel and mesh panels to keep you cool as you power through to the finish line. Features Nike Power fabric provides compression and support. Full-length tight provides coverage and warmth. Mesh fabric behind the knee and side panels enhance ventilation. Reflective elements help enhance visibility in low light conditions. Zippered pocket on the back has a waterproof membrane to help keep items dry.