Super-soft and smooth fabric that has a unique hexagon-shaped pattern and still breathes while running. Contoured front panel for comfortable carrying. The material drains sweat away and dries very quickly. 4-Way Stretch production allows greater mobility in any direction. Smooth construction without flat seams. Built-in headphone access. Designed to prevent slipping or loosening during activity. Reflective Under Armour logo on the left. Material: Polyester / Elastane.