• Oakley ARC5 Blackout ski helmet, size M (55-59 cm) • Developed alongside world champion Aleksander Kilde • FIS certification for alpine skiing competition • Dura-Matter construction for maximum durability and strength • Rear design optimized for high-speed positions • Seamless integration with Oakley goggles for increased stability • Dual-density foam protection for frontal and lateral impacts • Configurable padding for personalized fit and comfort • Removable pads for quick removal in emergencies • Fixed ventilation that optimizes air circulation in the helmet • Polartec® Power Grid™ lining that wicks moisture and is washable • Does not include carrying case and tool-free chin bar