SHELL: MOULED BY INJECTION OF THERMOPLASTIC MATERIAL. VISOR: MOULDED IN POLYCARBONATE THICKNESS 2 MM – VISOR SCREWS MADE IN ALUMINIUM. COMFORT PADDING: coolmax– REMOVABLE NECK COMFORT PADDING. LOCK SYSTEM: MICROMETRIC. SHELL DECORATION: MONOCOLOR PAINTING. SIZES AVAILABLE: XS-S-M-L-XL. Colours: Black, Silver