TurboSke has been a trusted brand for years when it comes to protective helmets. This is another skateboard helmet from TurboSke that designed and manufactured with wearer’s safety in mind. Remember, you are dealing with your head and potentially your life, choose it wisely! This helmet is stylish and comes in different sizes and colors, good for children and adults. It has ABS Shell with EPS Impact Absorption Liner that offers the best protection against all heavy and light impacts. It has adequate ventilation to stop your head from sweating. The size is adjustable, gives you a perfect fit every time. Features Standard: ASTM F1492-15 and 16 CFR 1203Shell: Durable and tough, Injection moulded ABS(acrylonitrile butadiene styrene).Liner: High impact absorbing EPS foam (expanded polystyrene).Vents: 8 open holes for ventilation.Interior: Compression moulded padding.Adjustable Fit: YesWeight(oz): 7.6 Size Options S: 19”-21.25” (48-54 cm) / M: 21.25”-23” (54-58 cm) / L: 22.75”-24” (57-61 cm)