Longer distances and faster runs start with incredible comfort, perfect stretch, and a lightweight feel. That's what you get with UA Velociti. It basically feels like you're wearing nothing. Product Details: Super-soft, lightweight fabric with updated jacquard & added stretch for enhanced breathability & airflow Material wicks sweat & dries really fast 4-way stretch material moves better in every direction Updated, looser fit with higher neck for enhanced comfort & coverage to eliminate distractions Side-vent hem Odor control technology minimizes odor Fabric: 100% Polyester Product Name: Under Armour Velociti Running Mens Tank Top - Black/Reflective Under Armour Code: 6010888-001 Option: Small, Medium, Large