The helmet is made of composite material. | It is simply clamped with a buckle. | Not homologated for road use. | Version: matt. | Sizes: S - XL | Size: L | Weight: 450 g ± 50 g | Outer shell size: 1 | Original Colour by Producer: Black Matt | Sun Visor: No | Removable Interior: No | Main Visor: Helmets will delivered