You don't plan on being in a survival situation, but when you do end up lost with night fast approaching, you and your partner will be glad you packed the Adventure Medical SOL 2-Person Emergency Bivvy in your backpack. The vacuum-metalized polyethylene reflects up to 90% of body heat and the entire shelter weighs in at a paltry 4. 9 ounces.

• Material: heat-reflective polyethylene
• Dimensions: 84 x 60 in
• Claimed Weight: 4.9 oz
• Recommended Use: emergency shelter for two
• Manufacturer Warranty: lifetime

Material: heat-reflective polyethyleneAdventure Medical