D.O.T. Approved - Advanced Polycarbonate Composite Shell: Lightweight, superior fit and comfort using advanced CAD technology - HJ-09 Anti-Scratch Faceshield: Hard coated 3D shield design provides 95% U.V. protection and Anti-Scratch coating - RapidFire Shield Replacement System: Simple and secure shield ratchet system provides ultra-quick, tool-less removal and installation for efficient operation. 2-Stage shield closure system with shield locking system for an extremely tight and secure seal - ACS Advanced Channeling ventilation system: Adjustable forehead and chin vents, and two rear exhaust vents creates a full front to back airflow flushing heat and humidity up and out - Plush, Nylex Interior: Fully Removable/Washable Interior cheek pads and liner. All sizes of cheek pads are interchangeable in all helmet sizes. - Multiple optional shields available: RST mirrored, high definition amber, smoke race shields with tear-off posts. Easily converts to snowmobile application with optional Dual Lens Shield or Electric Shield and Breath Guard - Weight: XS 3.17 lbs 1.438 +/- 30g SM to MD 3.19 lbs. 1,449 +/- 30g LG to 2XL 3.47 lbs. 1,573 +/- 30g