Stay cool under pressure, even during your toughest workouts. UA CoolSwitch interior coating pulls heat away from your skin, maintaining an optimal temp so you can run farther and faster. Four-way stretch fabric moves with you as you run. Moisture Transport System wicks away sweat, keeping you dry, fresh, and focused. Anti-odor technology prevents the growth of microbes. 360-degree reflectivity keeps you safe and visible in low light. Compression fit supports the muscles for increased performance and recovery. 79% polyester/21% spandex. Imported.