Make sure you cover all conditions with spare lenses for your Clockwork goggle. The Clockwork uses our premium 2,8mm thick Toric sculped lens with our unique proprietary lens technology; RIG. Developed by Sweet Protection to provide superior contrast, minimum color distortion and reduced eye fatigue. The double lens itself is equipped with a GORE Protective Vent to equalize the pressure and avoid deformation of the inner lens due to variable atmospheric pressureproviding optimal working conditions for the eyes. The inner lens comes with the new and improved anti-fog technology, Clear AF, which secures the best vision in demanding conditions. RIG lens technology: developed by Sweet Protection to provide superior contrast, minimum color distortion and reduced eye fatigue Unrivalled field of vision 2.8mm toric sculpted lens with extreme impact resistance GORE protective vents: equalizes the pressure between the lenses to provide minimal optical distortion Super oleophobic- and hydropho