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Hyke & Byke Eolus 0°F Ultralight 800 Fill Power

rated 5.0 of 5 stars
photo: Hyke & Byke Eolus 0°F Ultralight 800 Fill Power 3-season down sleeping bag


Price MSRP: $329.99
Reviewers Paid: $190.00


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

Excellent sleeping bag. Comfortable and weighs in at just under 3 pounds.


  • Works as advertised for the temperature rating
  • Large zipper does not get caught in fabric often
  • Great price
  • Comfortable bag


  • A big tight around the legs and waist area

I have been using a Hyke & Byke bag for over a year, but finally got to use my 0 degree bag recently.

Temps got down to 34 degrees and I was warm, even in the dawn hours. Not even my feet got cold. So this bag definitely works within the stated temperature rating.

I did not notice any cold spots within the sleeping bag. The bag lofts pretty quickly after unpacking, and it does pack down rather easy.

Hyke & Byke advertises as a company with quality and inexpensive gear. I own two of their bags, and I agree with that statement.


I've used it in dry, cold temperatures.

Source: bought it new
Price Paid: $190

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Does anyone have plans to build something like this