1. Adjustable head circumference, comfortable to wear
2. Fine workmanship, drawstring design
3. Function: sun protection, ventilation, age reduction, sunshade
4. Material: Cotton
5. Applicable scenarios: beach, shopping, climbing, hiking, fishing, cycling, etc.
6. Suitable season: summer, spring, autumn, spring and autumn
7. Applicable gender: both men and women
8. Hat brim style: curved brim