1. Material: ABS
2. Applicable seasons: four seasons
3. Easy-to-detach lens base, unscrew the screw to remove the lens
4. Convenient safety helmet safety locking system, three-stage design
5. Comfortable and soft inner lining, not stuffy to wear
6. The buffer layer is made of high-density foam
7. Double lens design, effectively block sunlight, built-in sunglasses to prevent glare at night
8. Tail fin overhead ventilation design, not stuffy
9. Weight: 1250 grams