Air conditioning through extraordinary airflow, engineered for your run. When you run in Nike Aero-FIT technology, you run with extraordinary airflow. Enhanced with our most innovative cooling tech, this lightweight top offers elevated breathability with every mile. Aero-FIT Cooling Tech:Nike Aero-FIT technology is designed for maximum breathability. It allows airflow against your skin to help you stay cool when your run heats up. ,Elevated Construction:Lightweight knit fabric features strategically placed mesh zones on the front and back, allowing air to flow through the fabric as you run. Freedom to Move:Side hem vents allow for unrestricted movement. [] Product Details:100% polyester. Machine wash. Imported. Style: IM5148; Color: Black/Light Green Spark; Size: L; Gender: Male; Age Group: Adult | Nike Stride Aero-FIT Men's Running Tank Top in Black, Size: Large | IM5148-011