Premium carbon fiber full face mountain bike helmet!

Moto-styling with rounder shape, rear vent cover, and extended visor,

Adjustable 3 screw, no tool, bolt-on visor,

14 vents and deep internal channeling,

Removable, washable plush liner,

CE and ASTM Downhill certified,

Weight:  900 g

Sizes :

S : 51-55cm
M : 55-59cm
L : 59-63cm

Manufacturers link : http://www.giro.com/