The 509 Sinister X7 Goggle is the next evolution of our Sinister series. 20% increase in face foam for 2X+ helmet shell sizes5MAG lens retention systemOTG, Over The Glasses, compatible. Shuttered Venting in frame scoop air in or closes off flow. Improved tints, low light, and contrast improving technologies including polarized, HCS, and photochromatic also available.
