What Our Gearhead® Experts Are Saying:"I picked the M4S for its perfect fit on smaller faces without sacrificing field of view. The magnetic lens swaps are super fast—even with gloves—and I’ve never had clearer optics in flat light than with the Perceive lenses. Plus, the MFI mask is a total upgrade for storm days."We ride sunrise to close, through storms, sunshine, and everything in between—and the Anon M4S Cylindrical Goggles are ready for all of it. Designed for medium-sized faces, this sleek goggle system delivers best-in-class optical clarity, fast magnetic lens swaps, and flawless helmet integration. The cylindrical Perceive lenses sharpen every ridge and roll with enhanced contrast, while the Magna-Tech magnetic system makes switching lenses feel effortless—even with gloves on. The included bonus lens keeps us ready for cloudy or stormy conditions, and the integrated MFI face mask connection seals out wind and snow for full-face coverage in the worst weather. It’s an all-day, all-mountain essential with the comfort and tech to match any mission.