The Arai TX Brow vent Pinlock Lens has been designed to fit the Arai Tour X3 and Tour X4 Adventure Motorcycle Helmets.Offers outstanding optical claritySuitable for use on Arai Tour X3 / X4 HelmetsExtremely tough and durablePinlock Ready for Pinlock Tour TX Anti Fog Visor InsertThe Arai TX Brow vent Pinlock Lens has adjustable Brow Vents fitted at the top of the Visor and is Pinlock Ready to accept a Pinlock Tour TX Anti Fog Visor Insert. Pinlock is well known for it s patented anti-fog technology in the global market and is expanding. Pinlock lenses have a silicone seal which creates a double shield system between the helmet face shield and Pinlock insert lens. There is a slit on the side which keeps the insert lens steady and tight between the face shield and pin. There is also a dry hydrophilic technology like membrane surface that absorbs moisture.PLEASE NOTE: Picture purely for illustration purposes as a representation of the colour, visor supplied will fit the helmet(s) detailed