Features:- ABS and PC shell with EPS lining, lightweight, durable, strong and crashworthy, protects your head effectively.- Double loop chip straps secure the helmet to your head.- Mount in forehead and rails in two sides, can install torch, signal light, etc.- Many hook and loop fasteners on the helmet for being a military camouflage pretender.- Eight holes on the top of helmet, breathable and comfortable.- With the detachable soft pads, easy to clean, comfortable to wear.- The hard foam blocks have softer foam pieces for comfortable wearing.- Adjustable elastic belt to fit different head sizes, head circumference is 55 - 59cm / 21.65 - 23.23 inches.- Suitable for kite surfing, cycling, driving, shooting, hunting, paintball, etc.Specifications:Shell material: ABS and PCInner material: EPS lining and foamSuspended material: soft polyester webbing strapRail material: ABS and PCBuckle material: nylonStretchable string: elastic rubberScrew: tempered screwNote:This helmet is the simple type, not enough space for installing the tactical earphone inside.Suitable head circumference is 55 - 59cm / 21.65 - 23.23 inches.Super lightweight, not burdensome when cycling.Package weight: 0.758 kg Product size (L x W x H): 24.00 x 18.00 x 10.00 cm / 9.45 x 7.09 x 3.94 inches Package size (L x W x H): 28.00 x 22.00 x 15.00 cm / 11.02 x 8.66 x 5.91 inchesPackage Contents: 1 x Helmet