Western Mountaineering Kodiak MF Sleeping Bag: 0 Degree Down

We’ve read the reviews across the web for the Western Mountaineering Kodiak MF Sleeping Bag: 0 Degree Down and summarize the results below:

Universal Ranking

PeakScore: 95 (out of 100)
User Rating: 5 stars 
Expert Rating: 4.2 stars

Number of Ratings Reviewed: 25

Pros & Cons

Reasons to buy:

User Reviews

  • Very lightweight but provides extreme warmth in cold temperatures.
  • Works well in extremely low temperatures down to at least -33 degrees Fahrenheit.
  • The high-quality material and construction is top-of-the-line.
  • Simple and lightweight for an easy to use and efficient bag.
  • Provides ample loft with over 7″ of loft for comfort while sleeping.
  • Able to zip up to the top and secure the hood around your head for added protection and warmth.
  • The baffles let you move the down into the cold-prone areas.
  • Sheds precipitation and is windproof for added protection in the elements.

Expert Reviews

  • Provides ample water resistance for protection against the elements.
  • Breathable and lightweight for a comfortable and ventilated bag.
  • Contains an excellent warmth-to-weight ratio for optimal functionality.
  • Designed for four-seasons for year-round use.
  • The 850-fill down keeps you warm and comfortable all night long.
  • Lightweight for so much warmth, at just below 3 pounds.
  • The seam tape on the side prevents the drag tube from sagging, enhancing the functionality.
  • The cinch cords of the hood area able to keep it in place and keep you warm.

Reasons NOT to buy:

User Reviews

  • A bit tedious to fit into the compression sack, which limits the functionality.
  • Expensive option when compared to other choices on the market.

Expert Reviews

  • More expensive than other options on the market.
  • Might need a smaller and closer-fitting bag if you are a demanding alpinist.
  • The uninsulated space won’t feel as warm as a snug-fitting bag.
  • Doesn’t have a hydrophobic treatment like other bags do, limiting the water-resistance.


The Western Mountaineering Kodiak MF Sleeping Bag: 0 Degree Down is a very warm, compressible, and comfortable bag that is perfect for 4-season use in extreme temperatures. Numerous users have said this bag has kept them warm all-night-long in sub-zero temperatures, and provides them with ample comfort. Despite being expensive and not being as snug-fitting as other options, this bag provides an exceptional warmth-to-weight ratio.


Note: User and expert rankings were reviewed across the web. Some expert reviews include these: 1, 2, 3, 4, 5.