The giro quarter fs helmet is one of the lowest profile helmets giro have ever made and its also the lightest theyve made with an abs shell the essentials are here an eps liner for impact management a tough outer shell riveted webbing anchors and plush sweat absorbent pads for long lasting comfort another standout feature the roc loc vert dial fit system allows you to easily adjust the helmet for a secure and stable fit available in a bunch of great colours and three super fit sizes