Fog Block

Ixnay the Og-fay

The Nerdwax FogBlock is a reusable coated microfiber cloth that keeps your lenses fog free.

Simply breathe on your lenses to fog them, then wipe evenly with cloth... boom! You are now UnFogettable.

• Safe to use on all types of lenses and coatings including AR coatings*. 
• Stays effective for 1 year or 300 applications when kept in pouch.
• Does not contain PFA's, CMIT or MIT. 

* we've heard from some users that it does not work as well on Crizal lenses