This is a racing cap from Charbon running. I've worn it twice, running about 10 kilometers in total, and washed it each time. I will fold it up small for shipping. Thank you. From the official website: - The 5-panel racing cap uses a dot mesh fabric with a wax finish. While ensuring quick-drying breathability suitable for activities, the matte texture and the use of different parts create a look that doesn't feel overly sporty. Both the white and black logos are reflective. - Material: 100% polyester