MSR E-Bivy Ultralight or Emergency Bivy Sack 2011 Version Nylon Collapses flat for compact packing

Collapses flat for compact packing

Reliable Protection: Dry Seal roll-top Closure ensures the best watertight seal possible

It is typically described as having the strength of steel with a weight comparable to aluminum

This hardened shell also encapsulates the aluminum

MSR E-Bivy Ultralight or Emergency Bivy Sack 2011 Version Nylon Collapses flat for compact packingThe diminutive, weather resistant E Bivy sack adds the ideal amount of protection for wide range of situations without adding much to your pack. It will block wind, dew, spindrift and even light precipitation, adding valuable warmth and comfort when used under tarps, on open bivies and for winter camping. It can also be tossed into a pack lid on any trip, providing essential protection for an unplanned night in the hills. Highly Breathable: Increased