Crisp clear Carl Zeiss Vision lens optics, & a low profile spherical frame design feature in this flagship goggle offering an unmatched field of view. Black Icon frame with Loden Green lens. The Onset is the goggle that trail-blazed the EXV collection & this groundbreaking goggle is back again to provide the best in class: the crisp, clear optics of ZEISS lenses, a low profile spherical frame design, & the unmatched field of view that Expansion View Technology (EXV) provides. The Onset offers a full array of premium features & lens options plus seamless helmet compatibility for superior performance, comfort, fit & function. SPECIFICATIONS COMPATIBILITY Seamless Compatibility with All Giro Helmets FEATURES Expansion View Technology (EXV), Triple Layer Face Foam with micro fleece facing, Anti-Fog Coating FIT Large Size Adult EXV Frame LENS TYPE Spherical Lense by ZEISS. Loden Green is a category S2 lens offering 19-42% light transmission making it ideal for changeable overcast days with intermittent sun.