For a ground cloth, I'm wondering if anyone has tried both of these products?
Which do you think works best & why?
It looks like the Polycryo might be lighter. I could be wrong. My math is major fuzzy.
Here's a link to the Polycryo: http://gossamergear.com/shelters/she...th-large.html#
Link to Tyvek: http://questoutfitters.com/uncoated_fabrics.htm#TYVEK
Or maybe something new I've not heard about yet..