Lazer O2 Helmet: Matte Black XL

Lazer's bestselling helmet, the O2 is a classic cycling helmet for any level of rider.
Patented Rollsys fit system with vertically adjustable head basket
Integrated Rigidity Brace offers superior resistance to impacts
Optional tail light
Works well with Aeroshell, Insect Mesh, Cappuccino Lock and Lazer Eyewear
Features 24 vents