1,100% brand new, high quality.
2, One Size, can be resized from 54-62CM. 95% of people can adapt to it.
Why do you need this helmet?
1) One-piece design that can evenly protect your head
2) Upgrade design, more breathable, more scientific vents
3) Streamlined shell, perfect for aviation machinery, reducing wind power;
4) High-strength housing and high-density EPS, reducing most of the impact;
5) Soft webbing, feels comfortable and even worn for a long time.
How to wear?
1: Open the strap.
2: Place the helmet on the head level and slowly tighten the strap until you feel comfortable.
3: Adjust the strap under the ear.
4: After adjusting the strap, tighten the strap around the chin.