BOX OF 24.
Pocket sized Lens cleaner with anti fog solution. Reapply during the day as required. Works best on newer lenses but can restore some life in a old one too.

Scott No Fog Spray Goggle Cleaner and Anti-Fog.
Safely cleans lenses and provides anti-fog.
Simply spray on and wipe with soft, clean cloth.
No chemical reactions to cause lenses to brittle