DUAL SAFETY CERTIFIED:The bike helmet is made up of a durable, high density PC shell and EPS foam that makes this bicycle helmet absorb the impact force in the crash and keep your head safe.

CAN ADJUSTABLE TO DIFFERENT HEAD SIZE: This adult cycling helmet goes with a standard size, equipped with the easy-use dial system and side straps make this nutcase helmet adjustable to different head size and suitable for both men and women.

21 COOLING VENTS:The adoption of specialized aerodynamic and ventilation design.21 strategically placed vents actively capture airflow and pass it through interior cooling channels to keep you cool on longer rides.

COMFORTABLE AND UNIVERSAL: Our bike helmet come with high-quality moisture-wicking liner to keep you sweat-free .the inner pad use of breathable material.Lightweight, breathable and comfortable, good for urban commuting, bike cycling, scooter riding.

SAFETY CERTIFICATION:Complies with the U. S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older. Please refer to the sizing information and wear your helmet properly.