Biltwell Gringo S ECE Tracker HelmetThe upgraded Biltwell Gringo S now features ECE 22.06 ECE 22.06 is a helmet safety rating that extends and increases the testing requirements of ECE 22.05 (with 22.05 being a more modern, more comprehensive European alternative to DOT). With 22.06, 12 additional impact points are analyzed (now totaling 18) and impact speed is increased (from 7.5 to 8.2 m/s). Unlike DOT, every ECE helmet model must actually be tested by an independent lab before it receives 22.06 certification. ratings with the same retro style. Its rugged yet lightweight injection-molded ABS outer shell ensures optimal protection, while the three-piece EPS safety liner guarantees a secure fit and superior comfort. Featuring innovative elements like a molded urethane chin bar pad and CE-certified polycarbonate shield with anti-fog and anti-scratch treatments, this helmet combines safety, durability, and airflow for an exceptional ride.Shell: Injection-molded ABS outer shell Three-piece expanded polystyrene (EPS) inner liner 3 Shell sizes and 5 EPS liner Expanded polystyrene (EPS) is a rigid, energy absorbing foam. In the helmet industry, EPS is the most common means of energy management to protect the brain. Generic EPS is often referred to as Styrofoam (a trademarked name owned by the Dow Chemical Company). Premium helmet producers utilize multi-density EPS liners to balance comfort, safety and performance. s for a perfect fit: Shell 1: XS-SM (EPS 1, EPS 2) Shell 2: MD-LG (EPS 3, EPS 4) Shell 3: XL-XXL (EPS 5) Shield: CE-certified polycarbonate face shield Anti-fog, Anti -scratch Rugged shield hinge hardware with robust detents Interior: Hand-sewn brushed Lycra liner padding Removable comfort liner and cheek pads Molded urethane chin bar Molded recesses inside EPS designed to accept various aftermarket audio and communication components Safety: DOT andECE 22.06approved Rugged plated steel D-ring neck strap with adjustment strap end retainer