SHELL - Lightweight, strong, advanced polymer alloy - Ultra high-flow 15 port ventilation system - 2 shell sizes for fit, comfort and safety PEAK - Glove-friendly, lightweight, 3-point break-away screws - Adjustable ultra hi-flow peak reduces drag at high speed PROTECTION - Quick-release, easy-adjustable buckle - Dual-density EPS liner - Extended rubber nose frost and roost guard - Rear diffuser disperses impact load to compatible neck braces - Sternum pad provides added protection to the chin, jaw, and sternum - Meets and exceeds Global Safety Regulations COMFORT - Ultra high-flow ventilation system for maximum air exchange - Hygienically-treated, removable, washable, moisture-wicking comfort liner - Integrated, removable breath-box-ready tabs - Optional winter kit, liner, and cheekpad sizes are available