A super soft and stretchy knit with a warm brushed inner will keep you warm and stay in place even while running. The material wicks away sweat and dries very quickly. 4-Way Stretch technology allows for better movement in every direction. Elastic waistband with high hem and internal drawstring. Secure center back zippered pocket and side pockets. Distinctive reflective details for better visibility when running in low light. Odor control technology minimizes odors.