1. PC shell + EPS cushioning foam, shock-proof cushioning
2. Detachable brim, rain and sun protection, wind resistance reduction
3. The head circumference can be adjusted properly and is comfortable to wear
4. Porous hollow design, fresh and breathable
5. Removable and comfortable inner lining, stick design
6. Material: PC shell + EPS buffer foam, silk cotton inner pad
7. Applicable gender: both men and women
8. Size: one size fits all, head circumference is about 57-62cm, appearance is about 27x15x14.5cm
9. Weight: about 220 grams