PROTECTION: Lightweight in-mold construction FIT / INTEGRATION: Self-adjusting lifestyle fit system flexes to match your head shape for maximum comfort, AirEvac ventilation system integrates with Smith goggles and eyewear for fog-free lenses FEATURES: Two vents for airflow, Ionic+ lining offers sweat-activated control, Lightweight, low-bulk single layer webbing, WEIGHT: (Size M, MIPS) 10oz / 270g CERTIFICATION: CPSC, CE EN 1078