AGV K3 SV Attack Helmet The AGV K3 SV Helmet builds on the legacy of the original K3 helmet. The AGV K3 SV Helmet features a drop-down sun visor and is also communication-ready with speaker pockets. The face shield utilizes the Perimetrical Visor Seal, effectively keeping out wind and weather. Two shell sizes combined with four EPS sizes provide riders with a more personalized fit. The liner and cheek pads are removable and washable. Features: HIR-TH (High Resistance Thermoplastic Resin) shell construction 2 shell sizes 4 EPS sizes optimized using the FEM (Finite Elements Analysis) system Ventilation system was designed and optimized in a wind tunnel 4 front vents (3 at the forehead and one on the chin guard) and 2 rear extractors vents XQRS (X-tra Quick Release System) visor mechanism for tool-free removal and replacement of the faceshield in seconds Face shield mechanism features PVS (Perimetrical Visor Seal) for improved seal and protection against drafts and wind noise GT2 scratch-resistant, anti-fog polycarbonate visor with 100 protection from UV rays GT2 face shield has improved peripheral vision thanks to the specially-shaped profile of the aperture Integrated drop-down Sun Visor (ISV) is scratch-resistant and can be replaced easily and without special tools Removable breath deflector Removable windproof chin strap protection Fully removable and washable 3D inner liner and cheek pads are sanitized and made from Dry-Comfort fabrics Helmet profile has been contoured around the base to reduce the risk of collar bone injuries Double-D ring chin strap DOT approved Note : Face shield does not have Pinlock pins.