FIA 8859-2024 & Snell SA2025 approved Compatible with Stilo wired & wireless intercoms Fibreglass/Kevlar composite shell The Stilo Venti4 Trophy Plus Rally 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 a fibreglass / kevlar composite to produce a light weight and strong helmet which exceeds FIA 8859-2024 and Snell SA2025 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 amplifiers Microphone Holder: Fixed to the interior of the helmet, made from a special flexible pipe that provides maximum stability and allows for precise adjustment. Integrated Plug: The integrated comms plug has been re-designed to allow the WL wireless key to fit perfectly and not interfere with FHR posts or straps Adjustable Peak: The peak can be raised and lowered to give the driver clear visibility even when the sun is on the horizon. Optional high optical quality flip up visor available. Earmuffs: Noise attenuating which