Here's all the boring crap:
Air Vents: 25 Sizes: M (54-58) XL (58-62) Weight: M 260 g XL 280 g Sizing System: Pro System 2. Pad: Washable ergonomic pads. Technology: In-Mould. Visor: Removable. Best fit and comfort for MTB riders ! A full range of aggressive and rugged models for todays all mountain riding styles. In-mould mono shell technology for ultralight but tough and resistant helmets. Specific air vents for the best cooling power. The new size system and the side cam divider make the adjustment easier with a more secure fit. Washable pads and chin protection to experience the comfort at its top. Removable visor with clutch system.