Protective head gear is a must so why not look way cool. This helmet with the skull graphic will do the job. High Density, Impact Resistant ABS Outer Shell Thick, Shock Absorbing, Poly-Foamed Inner Liner Full Head Coverage Extended Rear Coverage Against Backward Falls Easy to Use, Adjustable Strap with Quick Release Buckle System Light Weight and Ventilated for Maximum Comfort One size fits all. Armor Agressive helmets: Certifications: CD, ASTM, CPSC, CSA.