1. Breathable, absorbent and easy to clean. 2. The product is nylon fabric, breathable and comfortable. 3. There are many ways to use the product to meet your needs. 4. The hat is comfortable to wear, shading and breathable, which can help you cool down in the hot summer. 5. The cap is light and breathable, has a memory rebound function, and there is almost no sense of fatigue on the head. 6. The product is suitable for running, cycling, fishing, sports, mountaineering, etc. 7. Product size: 24cm-42cm /9in-21in 8. There are many colors for you to choose to meet your daily matching needs. Note: There are many colors to choose from.