My wimpy friends don't seem to want to winter camp so we do a lot of day hikes in winter. It is usually on trails where we don't see anyone else, sometimes on snow. So it is important, me thinks, to carry an emergency shelter or bivy of some sort. My options I own right not are a breathable w/p nylon bivy sack (12.5 ounces) and a coated 8x10 nylon tarp (16 ounces). I would not take both on account of the weight. Of course we always take extra warm clothes and rain gear too. But do any of you have an opinion on bivy sac vs tarp for survival? The tarp can be pitched as a tarp or simply used to wrap up in like a burrito.
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Jim M