Choosing the right sleeping bag can be a daunting task, especially with the vast array of options available. This review focuses on a direct comparison of two Thermarest Saros sleeping bags: a 32°F long/wide and a 20°F regular. We found that readily available, reliable comparisons were surprisingly scarce, highlighting the need for firsthand experience. Our goal was to find high-quality, packable bags suitable for backpacking, prioritizing comfort and efficient packing. This review will delve into the specifics of size, weight, compression, and actual comfort ranges to help you make an informed decision.This head-to-head comparison reveals crucial differences beyond the stated temperature ratings. We’ll examine the dimensional differences between the two bags, showcasing their packed sizes and highlighting the impact on overall weight. We’ll also discuss the surprising differences in weight between the two models, the durability of the included compression sacks, and the cost implications of choosing one over the other. Ultimately, this review aims to provide practical insights to aid your decision-making process, ensuring you choose the Thermarest Saros sleeping bag that best suits your individual needs and upcoming adventures.
Pros And Cons
- Warmer than the 32-degree bag.
- Heavier than the 32-degree long bag (3 lbs 3 oz vs 2 lbs 8 oz).
- Packs down larger than the 32-degree long bag.
- The included compression sack is of poor quality and broke upon first use.
- Longer and wider than regular size.
- Packs down relatively small.
- Synthetic fill dries faster and performs better when wet than down.
- Temperature rating is inaccurate; more comfortable at 40-45 degrees than 32 degrees.
- The included compression sack is inadequate.
Read more: Best Mummy Camping Sleeping Bags: Top 5 Picks
The Search for the Perfect Sleeping Bag
Finding reliable information to compare sleeping bags proved challenging. We visited our local REI store, but their Thermarest selection was limited. Online reviews offered little in terms of scale or direct comparisons.
Our goal was to find high-quality sleeping bags for an upcoming trip, moving beyond basic, bulky options. We needed bags that packed down compactly for easy transport.
Introducing the Thermarest Saros
We opted for two Thermarest Saros sleeping bags: a 32°F long/wide bag and a 20°F regular bag. The 32°F bag is mine, chosen for its larger size and warmer rating to accommodate my height.
While links to each bag and the Thermarest website will be provided below, this review focuses primarily on a size and compression comparison.
Size and Compression Comparison
We'll unpack and compare the sizes of both bags, demonstrating how well they compress. This was crucial information we lacked before purchasing.
The long/wide 32°F bag measures 85 inches long and 33 inches wide, while the regular 20°F bag is 80 inches long and 31.5 inches wide. The long bag also offers a more generous footbox.
Temperature Ratings and Comfort
The 32°F bag's actual comfort range is closer to 40-45°F; below 45°F, additional layers are recommended. The 20°F bag's comfort range is lower but is much less forgiving.
Understanding the true comfort range, rather than just the stated temperature rating, was crucial for our trip planning. We needed to factor in elevation and potential temperature swings.
Weight and Packability
The long/wide 32°F bag weighs 2 pounds 8 ounces, while the regular 20°F bag weighs 3 pounds 3 ounces. The warmer bag is lighter, a trade-off I found beneficial due to its smaller packed size.
Choosing the warmer bag with the intention of adding layers of clothing allowed me to save weight. The trade-off was that the bag would not be as warm as the one with a lower temperature rating
Pricing and Material Considerations
The Saros uses a synthetic fill, offering advantages like faster drying and better wet-weather performance compared to down. However, down bags tend to be lighter and pack down smaller for the same warmth.
The 32°F long/wide bag costs around $200, while the 20°F regular bag is approximately $209. Choosing the warmer, larger bag allowed for some cost savings.
Compression Bags and Additional Notes
The included compression bags are adequate but lack robust construction. The compression bag for the 20°F bag tore immediately. We opted for more durable sea to summit dry bags.
The size of the compression sack is crucial. The regular 20°F bag requires an XL dry bag, while the 32°F long bag fits into a medium. This is a critical detail for packing.
Final Thoughts and Conclusion
Both Thermarest Saros bags offer excellent features, but size and temperature ratings are key considerations. The 32°F long/wide bag provides ample space and packs down impressively, despite its warmer rating.
The 20°F regular bag packs down smaller but is less forgiving in terms of temperature. Ultimately, the best choice depends on individual needs, with careful consideration of the actual comfort range versus the advertised temperature rating.
