• plus one to all this, bivvy bags are pretty shit and useless unless you're racing with a superlight one
    tarp and groundsheet is lighter, not a coffin, more water resistant and breathable
    that alpkit thing is just a copy of the rab ridge raider, I had one, it was as shit as this will be

  • because it's not touching you and your sleeping bag
    so breathability isn't an issue
    so it can be 100% water proof

    if you pitch it even half-decently not having sides is no disadvantage

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