MIPS Brain Protection System. Boa closure system lets riders easily secure and adjust helmet fit with one hand. The in-mould composite skeleton increases helmet integrity and provides larger vent variations. The helmet pads are soft, comfortable, moisture-wicking, and washable. FlatLock dividers make helmet strap management simple. Internal, recessed channels move airflow over your head to stay cool and dry. Reflective elements on back of helmet. The Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership.