Very light stretch fabric for absolutely unrestricted movement. Built-in Iso-Chill compression shorts dissipate body heat so they feel cool to the touch. The 4-Way Stretch technology allows for better movement in every direction. The material wicks away sweat and dries very quickly. An improved expandable center pocket on the back is water-resistant to keep your phone safe. Elastic waistband with internal drawcord. Secure zippered side pocket. Reflective details for running in low light. Leg length (outer shorts): 17.78 cm. Leg length (lining shorts): 25.4 cm.