| SZ-M Helmet Arai SZ-M Helmet Brow Vent Faceshield Ventilation System provides cooling air in upper face area without holes in critical forehead area of the shell or in the impact-absorbing liner material Washable interior Multiple-Foam Interiors for comfort Removable Replaceable Cheek Pads-for custom fit Advanced flip up faceshield-precurved and super scratch-resistant shield M style 4-way ventilation system 2 front and 2 rear vents move cooling air throughout interior displace hot air Super Fiber Laminate shell-strong lightweight and comfortable ZR shield holder and base plates Meets or exceeds Snell and D.O.T. standards Arai Helmet Sizing Specifications Arai Interior Shape Diagrams |