Made from an advanced fiberglass composite shell, the Zox Alto Custom motorcycle half helmet meets or exceeds DOT FMVSS-218 safety standards. With 2 adjustable intake vents, a 3 snap short visor and removable ear covers the Zox Alto Custom is fully customizable to meet the comfort level of any rider.; Advanced fiberglass composite shell 2 shell sizes for the perfect fit EPS liner system for narrower profile shell 2 adjustable front vents 3-snap shorty visor included Ear protector included, ready to receive communication system