Klymit KSB 20 Down Sleeping Bag

We’ve read the reviews across the web for the Klymit KSB 20 Down Sleeping Bag and summarize the results below:

Universal Ranking

PeakScore: 84 (out of 100)
User Rating: 4.1 stars 
Expert Rating: 4.5 stars

Number of Ratings Reviewed: 146

Pros & Cons

Reasons to buy:

User Reviews

  • Very comfortable and reliable within the recommended temperature range.
  • Versatile enough to add comfort in different sleeping positions.
  • The chimney venting prevents you from getting overheated throughout the night.
  • Compresses nicely for easy packing.
  • Breathable to prevent condensation buildup.
  • The baffles across the leg area provides more area for extra movement while sleeping.

Expert Reviews

  • The stretch-baffles allow for extra mobility.
  • Oversized foot-box provides comfort and ability for movement.
  • The insulating collar keeps heat in and prevents drafts from entering.
  • The baffles keep the insulation in place and distribute the heat evenly.
  • Lightweight and packs down small for easy transport.
  • Features 20D ripstop nylon outer fabric for durability to prevent tearing.
  • Good for sleeping on your side due to the flexibility provided.

Reasons NOT to buy:

User Reviews

  • Not surprisingly, the bag isn’t warm enough for temps below the recommended range.

Expert Reviews

  • The price is a little high compared to other similar bags, but it is a comfortable option.
  • 650-fill down isn’t the warmest or lightest option available.


The Klymit KSB 20 Down Sleeping Bag is a warm and compressible option that is great for those who move around a lot during the night, and enjoy the flexibility to easily switch between side-sleeping and sleeping on your back. The higher price may deter some, but for those campers or backpackers who want versatility and warmth, this is a great choice.


Note: User and expert rankings were reviewed across the web. Some expert reviews include these: 1, 2, 3, 4, 5, 6, 7.