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Gear Question

my main concern with a bivy is not in...

my main concern with a bivy is not in keeping me dry in a 10 hour downpour. Rather it is to protect my down bag from splashes coming off a tarp/open floor shelter/ snowcave/ dew, etc.

Problem is that I am a warm sleeper and my down bag is notorious for not breathing very well by itself. Therefore, i need to make sure the bivy sack I buy can breath really well. Does anyone know how this BD fabric compares to eVEnt or membrain? I am desperately trying to avoid the dreaded bivy condensation

Responded on

The BD fabric is highly breathable and you should not encounter any problems. If you have issues you can always return for a full refund

Responded on

The NanoShield fabric is significantly more breathable than eVent or Membrain.