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.