Men''''s running T-shirt made of lightweight and breathable knit fabric with short sleeves and a round neckline, equipped with breathable inserts for better airflow. The functionality is enhanced by 4FDry technology, which ensures moisture wicking and thus faster drying. In addition, the T-shirt is enriched with reflective elements, so you will be seen even in low light conditions.quick-drying material in 4FDry technology promotes moisture wickingLightweight knit fabric that you can''''t feel while runningperforated, breathable material improves airflowflat seams do not irritate the skinreflective elements