MIPS Brain Protection System;Fidlock magnetic buckle fastens effortlessly for a quick, secure, kid-friendly fit;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 easy to adjust;Soft, comfortable, moisture-wicking and washable helmet pads;Crash Replacement Guarantee provides free helmet replacement if it is involved in a crash within the first year of ownership;