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Sierra Designs Zagori Bivy

rated 4.0 of 5 stars
photo: Sierra Designs Zagori Bivy bivy sack

Used the bag on an overnight temp dipping to -4 deg F. Setup was easy and the venting proved to be very useful with multi choices for amount of venting. Still moisture inside due to condensation was an issue. Isolated to head of bag only though. Bag has ample room to store boots and clothing inside which is nice.


  • Size of bag and weight very light for amount of space


  • Moisture from condensation
  • Pole hard to get in

Overall I used this bag in an extreme condition. I was mostly dry except around the head and given temp had I opened sac to allow breath to escape bag probably stayed dry totally. I was surprised at room able to keep boots gloves etc in the bag with still plenty of space to move around.

This was primarily bought for winter but will be using throughout the season due to weight and durability. Like all Sierra Designs products very well constructed.

Source: bought it new
Price Paid: $122

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Price MSRP: $159.95
Historic Range: $107.37-$179.00
Reviewers Paid: $122.00
Trail Weight 1 lb 9 oz / .71 kg
Packed Weight 1 lb 11 oz / .77 kg
Packed Length 15 in
Packed Diameter 4 in
Capacity 1
Number of Poles 1
Floor Material 70D Nylon, 3000 mm
Body Material 40D Nylon, Dryzone™
Poles DAC Featherlite NSL, 8.0 mm
Product Details from Sierra Designs »

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