The in-mould composite skeleton increases helmet integrity and larger vent variations;The Headmaster II one-handed fit system offers better height and circumference adjustments;The flexible, head-conforming FormFit brow band has a tailored feel and improves venting;AgION antimicrobial pads wick moisture away and completely eliminate odours naturally;LockDown dividers make helmet strap management clean looking and easy to adjust;Internal, recessed channels manage airflow through the helmet and over the head;The Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership;