Smith Optics Persist Mips Bike Helmets L / 59-62cm

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 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, Performance comfort lining, Lightweight, low-bulk single layer webbing WEIGHT: Size M, MIPS 11oz / 300g CERTIFICATION: CPSC, CE EN 1078