Technical Specification: External shell: Aerodynamic, moulded in EIRT (Energy Impact Resistant Thermoplastic)Internal shell: moulded in differentiated density EPS Inner: breathable, hypoallergenic liners, fully removable and washable. Removable lower wind stop and nose guard Ventilation: all air-vents are adjustable. Air-vents on the chin, an air-vent on the upper part of the shell, rear extractor Visor: scratch-resistant and rapid release, suitable for use with Pinlock Systems® Original. Extra Wide Vision. Internal scratch-resistant sun shield Quick Relase Visor mechanism: does not require the use of tools Retention system: equipped with a practical quick release buckle for micro metric adjustment. Homologation: ECE 22-05 Embedded speaker pockets for Bluetooth communication systems. Note: Twister Full Face Helmets will come with Pinlock Systems® Original Anti Fog Film Included. Images shown on our website are for illustration purpose only.Actual colors may vary slightly.