The versatile Faction sets the standard in skate inspired helmets with superior style, comfort, and low-profile fit!
ABS shell,
12 vents
Dual density EPS foam liner,
CE and ASTM Skate certified,
Weight: 426g,
Sizes: S (51-55cm) - M (55-59cm) - L (59-63cm)
Manufacturers link : http://www.bellbikehelmets.com