Features: – Dual Certified CPSC & ASTM Multi-Sport Helmet – Made with Strong ABS Shell and Thick Black EPS Foam – Lightweight and Able to Withstand Impact for Safety – Rugged & Durable Helmet Design – 12 Stylish Vents to Keep Cool during Active Sports Sessions – Safe & Secure Locking Click-Buckle – Fortified Impact Resistant Shell – Comfortable Form-Fitting Style – Adjustable Chin Strap Length – Adjustable Dial to Loosen and Tighten Fit – Breathable Airflow Ventilation – Safety Certified & Approved – Lab Tested to Significantly Reduce Damage – Convenient Adjustable Knob Dial System – Removable Inner Lining Padded Cushions – Suitable for Kids, Teens, and Adults – Used for Bike, Tricycle, Skateboard, Scooter, Roller Skates What’s in the Box: – Skate Helmet – Helmet Storage / Travel Bag Technical Specs: – Construction Material: Reinforced Engineered ABS Shell, Black Nylon Strap – Recommended Head Circumference: Adjustable (58-62cm) – Total Helmet Size (L x W x H): 8.3’’ x 5.9’’ x 9.5’’ -inches