Product DNA What's It Do? 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. The Fundamentals Fitted: Next-to-skin without the squeeze UA Microthread fabric dries faster, won't cling to you, won't chafe & stretches without absorbing sweat Material wicks sweat & dries really fast Built-in knit ventilation for complete breathability Cross-over back construction with keyhole detail Dropped, shaped hem for enhanced coverage Reflective details for low-light runs Body: 93% Polyester/7% Elastarell Panels: 61% Polyester/39% Triexta