Features:- Competitive level AM helmet, shell thickness 22mm. For your life to provide more security in the mountain riding.- Has a good ventilation (19 vents), both safe and breathable cool.- Insect net design for wild mountain riding to bring more security.- Built-in EPS absorber shock core, with aramid filament to strengthen the hardness.- With adjustable sun visor, sophisticated design, durable.Material: PC + EPSProcess: Integrally-moldedColor: Black, Red, BlueHead Circumference: 57-61cmAir Vents: 19Package Weight : 580 G / 20.46 OuncesPackage Dimensions (L*W*H) : 285*230*170 MM / 11.22*9.06*6.69 InchesRetail Packaging: Yes, General BoxPackage Include:1 x Bicycle Helmet