UA Micro thread technology in the fabric dries faster, won‘t cling to you, won‘t chafe & stretches without absorbing sweat. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. Mesh panels for added breathability. Generous ½ zip front makes for easy layering. Dropped, shaped hem for enhanced coverage. Angled cuffs. Reflective details for greater visibility on low-light runs