The Stilo ST5 R Carbon Rally WL helmet has an all new shell design specifically to allow for integration with the ground breaking Stilo 'WL' wireless communication system. The shell is constructed from carbon fibre to produce a lightweight and strong helmet which exceeds FIA 8859-2015 and Snell SA2020 requirements for safety.Designed specifically for use with the Stilo 'WL' wireless communication system, although they are perfectly compatible with all hard wired Stilo DG and WRC series amplifiersLightweight and super strong Carbon fibre shellAdjustable Microphone: Magnetic-dynamic noise-cancelling microphone. Supplied with spacers to move the microphone position closer to the driver s mouth.Earmuffs: Offer excellent isolation from external noises and contain the intercom speakers. The pressure on the head from the earmuffs can be adjusted by changing the special foam rubber pads positioned between the earmuff and the helmet.Drinks System Preparation: Optional drinks system allowing the