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