Features:
PROTECTIVE & SAFE: Impact resistant PC hard shell is not easy to crack and high density EPS foam is buffered, which surely improve safe performance.
RECHARGEABLE SAFETY LIGHT: Safety back light for warning and lighting in dark riding,and 3 lighting modes for your different demands,includes fast flashing mode,slow flashing mode and always on mode.
BREATHABLE: 21 air vents increase air circulation and reduce sweating to keep your head comfortable during cycling.
COMFORTABLE: Take down the detachable absorbent lining and detachable chin pad for easy cleaning,and a quick release buckle for easy taking off.
ADJUSTABLE: Turn the adjustable dial at the back for proper fit,the suggested head circumference is 50-60cm/19.7-23.6in.

Specification:
Color: Silver/Green (optional)
Material: PC+EPS
Air vents: 21
Battery: 2* 6V 210mAh CR2032 batteries
Head Circumference: 50-60cm/19.7-23.6in
Weight: Approx. 200g/7.1oz

Package List:
1* Bike Helmet

NOTE:Item color displayed in photos may be showing slightly different on your computer monitor since monitors. Thank for your understanding.