The in-mould composite skeleton allows a greater variation of vent shape and size. Headmaster - One-handed fit system with premier look and feel. Soft, comfortable, moisture-wicking and washable helmet pads. FlatLock Strap Dividers - Strap management made simple with a fixed-position fit. 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.