HJC Force Men's FG-17 Street Motorcycle Helmet - MC-5F / 2X-Large The race-ready helmet tested at Wind Tunnel Laboratory Advanced Fiberglass Composite Shell: Lightweight, superior fit and comfort using advanced CAD technology All sizes of cheek pads are interchangeable in all helmet sizes SilverCool Interior: Moisture-wicking and odor-free liners with advanced fabric Crown and cheek pads are fully removable and washable