Ventilation Holes: 21 Holes
Fit Head Circumference: 54-60cm
Dimension(about): 31 x 21 x 12cm
Material: EPS + Impact Resistant Composite

Features:
Lightweight, easy to remove.
All-in-one design, PC and silk-screen cover and EPS body which is resistant to shock and healthy.
Protect your face against branches, mud, sun and rain.
The comfortable cushion lining, which is eco-friendly, buffering.
Vents is to improve the helmet inside air flow, take part of heat.
With adjustable rotary internal regulator, adjust the tightness of head circumference size flexibility.
Built-in Detachable Visor to Provide Extra Shade in Sunny Conditions.
Form a unique and beautiful, diverse styles of fashion, hole design more reasonable, more ventilation is suitable, more comfortable.
Portable ultralight material and the design of wind-tunnel and airduct which can reduce the wind resistance effectively.

The right way to wear our bike helmet:
The position of cutting-edge should be slightly lower when wear a helmet in order to protect the forehead.
The front and the back of the belt should be at a low position in front of the ear.
Wearing a helmet, you must bring the chin belt tightly. Ensure that sticking with throat position, instead of the front of the chin.