The giro quarter fs mtb helmet is one of the lowest profile helmets giro have ever made and itrsquos also the lightest theyrsquove made with an abs shell the essentials are here ndash an eps liner for impact management a tough outer shell riveted webbing anchors and plush sweat absorbent pads that are easy to swap for dialing in the fit another standout feature ndash the polyurethane coating helps to protect the eps liner from daily wear and tear avai