Smith bicycle cycling mountain bikkng helmet

Size men’s small 51-55 cm My son wore this a few times, but it has just a couple knicks on top from him setting it down. PROTECTION: Lightweight in-mold construction, MIPS Brain Protection System reduces rotational forces caused by angled impacts to the head. FIT / INTEGRATION: VaporFit dial adjustment system offers 270-degree fit adjustment with the turn of a dial, Designed for ultimate integration with Smith performance eyewear and goggles for maximum comfort, venting and storage convenience, AirEvac ventilation system integrates with Smith goggles and eyewear for fog-free lenses FEATURES: 21 fixed vents for consistent airflow, Two-position adjustable visor, Performance comfort lining, Lightweight, low-bulk single layer webbing CERTIFICATION: CPSC, CE EN 1078