Alpinestars Supertech R10 Arius Motorcycle Helmet, Advanced Carbon Shell, ECE06/DOT - Black/White/Blue Glossy, M

["SAFETY COMPLIANCE: This Helmet meets Federal Motor Vehicle Safety Standard 218 FMVSS 218. Certified ECE R 22.06 and DOT for street and track riding use.","RACE DEVELOPED DESIGN: Engineered through more than a decade of MotoGP focused research and testing to deliver high speed stability, precision control, and confidence at race pace.","ADVANCED SHELL CONSTRUCTION: Multi layer composite shell combines high density carbon, uni directional carbon, aramid, and fiberglass to manage impact energy while minimizing weight.","AERODYNAMICS AND AIRFLOW: CFD designed and wind tunnel validated shape with dual spoiler options, lateral winglets, and eleven vents to reduce drag and improve airflow.","PRECISION FIT AND COMFORT: Eight piece multi density EPS liner system across four shell sizes works with the A Head fitment system for adjustable height and tilt."]