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Sierra Designs Zissou 23

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

Comfortable down to 30 degrees. Good amount of room…

Rating: rated 4.5 of 5 stars
Source: bought it new
Price Paid: $225


Comfortable down to 30 degrees. Good amount of room for larger people. Could benefit having draft tube at neck area. Wasn't able to test the DriDown, but that's a good thing.


  • Warmth
  • Value
  • Roomy


  • Lets air in around neck
  • Drawstrings hard to pull

Having just purchased this bag, I immediatley went on a camping trip and tested it out.

First mistake: I forgot my 3" pad. Only thing I had was a quilt/comforter in my car to sleep on.

What did I learn from that mistake? NEVER forget your sleeping pad when using a down sleeping bag! You NEED that bit of insulation from the ground.

The temp got down to 25 degrees, I was comfortable with just a thin base layer down to about 30° (without a pad, mind you), but the ground was downright chilly after that.   

I really think that with a good pad, I would have been cozy down to 25°.

Second mistake: this is my first mummy bag. I soon realized after it got to 35 that tightening the neck and head pulls helped keep the warmth in and the cold out.

This bag is ROOMY. I'm 6'1" and 235 lbs. I did get the large version of the bag, so I had a few inches at the feet, no big deal, stuffed my fleece jacket around my feet. The shoulder and hip room was quite generous, allowing me to side-sleep comfortably.

Zippers went up and down easily, thanks to a fabric tape that runs behind the zipper, only snagged once in the dark. This bag lofted a good 3 inches, and actually packs down quite small.

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