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Mountain Range Cobra Bivi

Mountain Range is no longer in business, and the Cobra Bivi has been discontinued. If you're looking for something new, check out the best bivy sacks for 2022.


2 reviews
5-star:   2
4-star:   0
3-star:   0
2-star:   0
1-star:   0

This bivi lives in the sweet spot between a simple bag which is simple and tactically sound, but may let rain in and offers no protection from inspects, and those with poles which are more of a micro tent. You can sleep in it, completely protected from the wet and bugs, while maintaining a low profile, or tie off the top, to a tree branch or such, to create headroom, and still have full protection from the elements.


  • Packs down light and tight, yet provides excellent environmental protection and comfort.


  • No longer made; if you can find a used one in good condition, I would recommend grabbing it.

This bivi gets its name from the generous opening which makes getting in and out very easy, while allowing the end user to have excellent protection from rain. It includes a zippered mosquito net, and the opening can be zipped shut as well.

At the foot, it includes two points that may be staked in to the ground, to prevent shifting, but this is not required. At the top of the hood, there are two cords that can be used to draw up the top of the bivi, to created headspace. It is rather long, and generously sized, so plenty of room for you, and potentially your gear.

It includes a stuff sack that is just the right size, but no stakes.


I have used this, and a British Army bivy I had previously purchased, on a number of outings.

Source: bought it new
Price Paid: I don't recall what I paid for it.

This is without doubt the best Gore-tex bivi out there. Its unusual length, 250cm, allows gear to be stored inside. This acts to raise the Gore-tex fabric from your face when fully zipped in. The mouth can be held up using its external loops, making for a roomy bug bivi, with its integrated mosi netting.

It's made by a British company called Mountain Range.


Design: bivy sack
Sleeps: 1
Weight: 900g
Price Paid: £190

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