Ultra-light, stretch-woven fabric for totally unrestricted movement Internal mesh liner helps moisture escape & adds breathability 4-way stretch material moves better in every direction Material wicks sweat & dries really fast Updated, expandable center-back pocket is water-resistant & keeps your phone secure, with no bouncing Encased elastic waistband with internal drawcord Secure, zip side pocket Reflective details for low-light runs 7" Inseam