Marmot Always Summer Sleeping Bag: 40 Degree Down

We’ve read the reviews across the web for the Marmot Always Summer Sleeping Bag: 40 Degree Down and summarize the results below:

Universal Ranking

PeakScore: 85 (out of 100)
User Rating: 4.2 stars 
Expert Rating: 4.5 stars

Number of Ratings Reviewed: 23

Pros & Cons

Reasons to buy:

User Reviews

  • Very lightweight for easy carrying during long treks.
  • The material and construction are high-quality for long-lasting use.
  • Versatile to accommodate a wide range of temperatures for multi-season use.
  • Zips down on both sides for quick breathability and efficiency getting in and out.
  • Regulates your temperature to prevent overheating during summer nights.
  • Features a zippered interior pocket to secure your valuables.
  • The compression sack makes this sleeping bag transportable to increase efficiency.

Expert Reviews

  • The down has been treated to provide water resistance during light precipitation.
  • Features a heater pocket in the foot box to keep your feet warm during cold nights.
  • The draft tube helps keep cold air out during shoulder or winter months.
  • Features a full-length zipper for temperature regulation and breathability.
  • The shell and liner materials are soft against your skin for all-night comfort.
  • Compresses into a small stuff sack to easily fit on or in your backpack.
  • Very lightweight for easy transportation.

Reasons NOT to buy:

User Reviews

  • The fit might be a bit snug for some bigger-sized users, so you may want to try it before buying.
  • The zipper can be sometimes tricky and time-consuming to close from the inside, reducing the user-friendliness.

Expert Reviews

  • The weight is just over 2 pounds, which is slightly higher than what Marmot claims on their website.
  • At the high-end of the price spectrum when compared to other similar bags.


The Marmot Always Summer Sleeping Bag: 40 Degree Down is a comfortable, lightweight, and easily-transportable option that works well for carrying on long-distance treks. With a full-length zipper, soft material, and high-quality materials, this sleeping bag will keep you cozy for many seasons.


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