Originally Posted by bennyk

Here's what I do. It has been VERY effective for me, and I also wear regular glasses underneath the goggles, so it can get quite foggy.

Wet a bar of soap by rubbing your finger on it, then spread the soapy water on the lens. Let this dry into a film (takes a few seconds). I usually do this twice so there is a thicker layer. Then I buff the film off with a lens cloth (or a soft towel...not a tissue or paper towel) so that it's crystal clear.

Let me emphasize that you're not wiping the soap completely off, you're just buffing the film so that the moisture won't tend to settle there.

bk

Edited to say I usually use a little hotel bar of soap. Any kind of generic bar of hand soap will work.