ROCKBROS Bike Helmet Breathable Bicycle Unisex Shockproof Helmet Adjustable Hat - Titanium

The detachable brim of the hat is designed to prevent UV rays and protect the eyes from sunlight

Large ventilation hole can not only enhance heat dissipation, but also can be locked with the bike to prevent theft

This helmet can be used with tail light(not included) for night cycling

EPS foam inside, strong impact resistance, effectively prevent collision

Comfortable lining, easy to remove and wash

Suitable for head circumference 52-60cm, size can be adjusted at will