* Advanced Polycarbonate Composite Engineered Shell: Quiet, aero-tuned design for wind-tunnel tested comfort. EPS-lined chin bar for additional protection. * Ventilation system: Adjustable, indexed front & rear vents with aero-tuned rear spoiler reduce lift, create vacuum & maximize airflow through helmet. * Breath-deflector: Enhanced fog-free performance. Article: Scorpion Exo 510 Air Sublim Helmet, black-silver, Size 2XS Article: Scorpion Exo 510 Air Sublim Helmet, black-silver, Size 2XS, black-silver, Size 2XS