The MSR E Bivy is an ultralight sack for backcountry camping, emergencies and more. The weather-resistant sack won't add much weight to your pack and keeps the rain or snow off your sleeping bag when spending a night in the outdoors. Whether your night out is expected or unexpected, under a tarp or in a wide open field, you'll be shielded as you sleep.
So sorry, but only 4 items are allowed for comparison, so we're comparing the first 4. I blame the gnomes and so should you.
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