New lightweight polymer composite shell and velocity flow ventilation. Features Lightweight injected polymer composite shell 3 Shell and EPS sizes for a personalized fit Velocity-flow ventilation system for cooling and comfort Moisture Wicking, removable/wasable air channeled comfort liner EPS-lined chinbar Integrated vented roost guard Padded chin strap with D-ring closure and strap keeper MIPS Equipped Industry-leading Five-year warranty ROAD LEGAL Weight: 1590 +/-50 Grams Certification: ACU Gold Stamp / ECE 2205.