Ultra-light, stretch-woven fabric for totally unrestricted movement. Internal mesh liner helps moisture escape & adds breathability. Mesh side panels for added ventilation. 4-way stretch material moves better in every direction. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. New encased elastic waistband with internal drawcord. Open hand pockets with internal right-side powermesh phone pocket