Longer distances and faster runs start with incredible comfort, perfect stretch, and a lightweight feel. That's what you get with UA Streaker. It basically feels like you're wearing nothing. UA Microthread fabric dries faster, won't cling to you, won't chafe & stretches without absorbing sweat Material wicks sweat & dries really fast Mesh back panel for added ventilation Raglan sleeves & shaped hem Reflective details for low-light runs