MIPS Brain Protection System;Fidlock magnetic buckle offers quick, secure fit that's easy for kids;The intuitive, one-handed Headmaster fit system adjusts height and circumference;Built-in and removable visor options give you two choices for constant coverage;LockDown dividers make helmet strap management clean and are easy to adjust;Soft, comfortable, moisture-wicking and washable helmet pads;Reflective elements on back of helmet for enhanced visibility;The Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership;