Lazer's O2 looks and feels great on all your riding adventures. It boasts in-mold construction for lightness and durability, as well as Lazer's easy-to-adjust Rollsys Retention System and a wicking Coolmax lining for a wonderful fit and feel. You'll also appreciate the 24 large vents that keep you dry and comfy on every ride.
- One Size = 53-61cm
- X-Large/XX-Large = 61-65cm
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I used this helmet for road cycling which includes daily commutes(17km) and weekend rides(40km+). The wire adjustment system and is easy and the padding is a comfortable fit. I only have two cons about this helmet. The ventalation isn't great and the profile is a little large. Good price point, better looking helmets out there for the same price.