• Oakley ARC5 Blackout ski helmet, size S (53-56 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 • Perfect integration with Oakley goggles for increased stability • Dual-density foam protection for front and side 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