Very light stretch fabric for absolutely unrestricted movement.The inner mesh lining helps wick moisture away and the laser perforation increases breathability.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: 12,7 cm.