Under ArmourUA Velociti Pro

Product Details - Lightweight Iso-Chill fabric helps disperse body heat, making it feel cool to the touch - 4-way stretch material moves better in every direction - Material wicks sweat & dries really fast - Increased laser perforations on front & back for enhanced airflow - UPF 30 protects your skin from the sun's harmful rays - Side-vent hem - Reflective details for greater visibility on low-light runs - Odor control technology minimizes odor Size & Fit - Streamlined fit that's not too tight or too loose. Space & Care - Style #: 6009506 - 90% Nylon/10% Elastane - Imported