S-M 10 HELMET ECETop tier Offroad helmet Shell constructed from carbon Four density EPS liner for excellent energy absorption Dedicated shell and EPS dimension per head size Removable, washable, moisture wicking inner lining and cheek pads Patented A Head system height and angle adjustment Patented visor release system Sculpted chin bar construction to create relief section, raised to clear the collarbone with soft EPS liner from flexible rubber compound Premium