The Emergency Bivvy weighs under 100g and is made with a material called Heatsheets which reflects 90% of your body heat! It is quieter and more durable than traditional Mylar. The Bivvy also comes in it’s own lightweight stuff sack.
You can win one by answering the following question:
What percentage of body heat is reflected by the Heatsheet’s material in the Adventure Medical Kits Emergency Bivvy?
You’d have to be an OUTDOORSmagic member to participate. The competition is open for one month from 27/10/2010 to 27/11/2010.