DETAILSFeatures: 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 What's In The BoxWhat's in the Box: Skate Helmet Helmet Storage / Travel Bag MANUALS & DOWNLOADS HURTSHLWH - Manuals