These are your replacement lenses for the new Anon M4 Cylindrical Goggle. Anon's Magna-Tech Quick Lens Change System uses 16 Rare Earth Magnets through 8 points of connection to easily swap out lenses when the light shifts on you.
* Compatible with M4 Cylindrical Frames
* Magna-Tech Quick Lens Change System
* Cylindrical Lens Technology
* Wall-to-Wall Vision