MIPS Brain Protection System;Boa closure system lets you 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;Internal, recessed channels move airflow over your head to keep you cool and dry;The removable snap-on visor and port covers provide flexibility to match your style;Easily-adjustable LockDown dividers provide clean helmet strap management;Crash Replacement Guarantee provides free helmet replacement if involved in a crash within the first year of ownership;