Super-soft and stretchy knit with a warm, brushed inner will keep you warm and stay in place while you run. The material wicks away sweat and dries very quickly. 4-Way Stretch technology allows for better movement in every direction. Exposed elastic waistband with a zip pocket at the back. Ankle zippers for easy on and off. 360° reflectivity for better visibility when running in low light. Odor control technology minimizes odor.