Quote Originally Posted by JohnSawyer View Post
If you're using the space-blanket, check out Insul-Brite... It's $6/yd, and pretty warm... but easy to find...
Now that is interesting stuff there. $4.25/yd@45" on amazon.

I was thinking Thermoflect (what the AMK bivy is made from) instead, but the raw fabric is not sold comercially. You can buy it as 48"x84" blankets though.