Take it from the avalanche experts: an emergency bivy bag is a necessary piece of equipment for everyday mountain travel. The Ortovox Emergency Double Bivy is multifunctional, windproof, water, and dirt resistant to protect you and your partners from the quickly changing conditions of the alpine. Whether you are bivouacking or simply using it as a sleeping bag cover, the bivy will protect you! Don't leave your life up to chance, and with how compact and lightweight the bivy is you have no excuse to not throw this into your emergency kit.