Therm-a-Rest Vesper 20F/-6C Ultralite Down or Therm-a-Rest Vesper Quilt: 32F Down? Which Therm-a-Rest Model to Buy
Compare Therm-a-Rest Vesper 20F vs Vesper Quilt 32F. We analyze published specs like weight, down fill, and baffling to help you choose the right ultralight quilt.
By GearRank Editorial Team 6 min read
Warning: Undefined array key "caption" in /www/wwwroot/gearrank.net/wp-content/themes/site-ratings/single.php on line 62
Therm-a-Rest Vesper 20F/-6C Ultralite Down or Therm-a-Rest Vesper Quilt: 32F Down? Which Therm-a-Rest Model to Buy
This listing has no buyer rating yet.
- Section
- Sleeping Bags
Check price on Amazon We may earn a commission if you buy through this link.
As Amazon Associates, we earn from qualifying purchases. This means we may receive a small commission at no extra cost to you if you click through and make a purchase.
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
When you compare the therm a rest vesper 20f 6c ultralite down vs vesper quilt 32f down, you see two minimalist backpacking quilts from Therm-a-Rest. Both models share 900-fill down insulation, mesh wall baffling, and removable straps for pad attachment. They are designed for thru-hikers who want to reduce pack weight. The main difference lies in their temperature ratings and resulting pack size. One offers lower warmth for colder conditions, while the other provides a lighter option for milder nights.
Temperature Rating
20°F
32°F
Weight
1 lb 3 oz (1.19 pounds)
15 oz
Packed Size
5.5 x 8 in
5 x 6 in
Color
Vapor
Ether
Model Number
14345
14347
Choose the first if
- You plan to camp in colder conditions near 20°F.
- You need extra warmth from the lower temperature rating.
- You prefer the Vapor color option.
Choose the second if
- You want the lightest possible pack weight at 15 oz.
- You are backpacking in milder weather around 32°F.
- You want the most compact packed size at 5 x 6 in.
Verdict
Choose the Vesper 20F if you need reliable warmth for colder nights and do not mind the extra weight. Select the Vesper 32F if your priority is minimizing pack weight and bulk for warmer conditions. Both quilts offer similar construction and features for minimalist sleeping systems.
Vesper 20F vs Vesper 32F Quilt Specs
Temperature Rating
Edge: Therm-a-Rest Vesper 20F Quilt
The Therm-a-Rest Vesper 20F Quilt offers a lower temperature rating of 20°F (-6°C), making it suitable for colder conditions. The Vesper 32F Down Quilt is rated for 32°F (0°C), which is better for milder nights. If you expect frost or freezing temperatures, the 20F model provides a safety margin. The 32F model is lighter and packs smaller, but you must ensure your campsite stays above freezing. Choose based on your expected low temperatures.
Weight
Edge: Therm-a-Rest Vesper 32F Down Quilt
Weight is a critical factor for minimalist backpackers. The Vesper 20F Quilt weighs 1 lb 3 oz (550 g). The Vesper 32F Down Quilt is lighter at 15 oz (440 g). That is a difference of about 2 ounces. For long-distance thru-hikers, every ounce counts. The 32F model saves weight, but you trade warmth for that savings. If you are willing to carry a bit more for extra warmth, the 20F model is heavier. Otherwise, the lighter 32F is preferable.
Packed Size
Edge: Therm-a-Rest Vesper 32F Down Quilt
Compressibility matters for pack space. The Vesper 20F Quilt packs down to 5.5 x 8 inches. The Vesper 32F Down Quilt compresses to 5 x 6 inches. The 32F model takes up less room in your backpack. This difference is small but noticeable when space is tight. Both include compression stuff sacks. If you need to fit other gear, the smaller packed size of the 32F model is an advantage. The 20F model is slightly bulkier due to more insulation.
Insulation Quality
Edge: Tie
Both quilts use high-loft 900-fill down insulation. This means both offer excellent warmth-to-weight ratios. The down is also hydrophobic in both models to resist moisture. Neither model uses PFAS or PFCs in their treatment. The insulation type and fill power are identical. This ensures that both quilts compress well and loft efficiently. You get premium down quality regardless of which temperature rating you choose. The thermal performance differs only due to the amount of fill, not the quality.
Dimensions
Edge: Tie
Both quilts share the same physical dimensions for the Standard size. They are 58 inches wide and 75 inches long. The height is listed as 3 inches for both. This consistent sizing means the fit on your body and sleeping pad is similar. The SynergyLink Connectors work best with pads 3 inches thick or less for both. You do not need to worry about fit differences between the two models. The length and width provide ample room for movement in both cases.
Choose the right Vesper quilt for your needs
Backpackers seeking lower weight for mild weather
Our pick: Therm-a-Rest Vesper 32F Down Quilt
The Vesper 32F Quilt weighs 15 ounces. This is lighter than the 20F model at 19.04 ounces. Its 32°F rating suits milder nights. It packs to 5 by 6 inches. You save weight and space when temperatures stay above freezing. The 900-fill down provides efficient loft for its class.
Camping in colder conditions down to 20°F
Our pick: Therm-a-Rest Vesper 20F Quilt
The Vesper 20F Quilt offers a 20°F rating for colder nights. It uses 900-fill down insulation to retain heat. The mesh wall baffling minimizes cold spots. You get warmth when temperatures drop. The quilt connects to your pad via removable straps. It ensures stability and thermal efficiency in cooler environments.
Thru-hikers prioritizing minimal pack volume and bulk
Our pick: Therm-a-Rest Vesper 32F Down Quilt
The Vesper 32F Quilt packs down to 5 by 6 inches. This is smaller than the 20F model’s 5.5 by 8 inch footprint. You reduce bulk in your pack. The lightweight design keeps your load down. It is ideal for long-distance hikers who need compact gear for milder conditions.
Therm-a-Rest Vesper 20F Quilt
Best for: cold-weather ultralight backpacking
- Temperature Rating
- 20°F
- Insulation Type
- down
- Shape
- quilt
- Weight
- 1.19 pounds
- Fill Power
- 900-fill
- Intended Use
- Backpacking
The Therm-a-Rest Vesper 20F is a down quilt designed for minimalist backpackers. It uses 900-fill hydrophobic down to provide warmth in cold conditions. The regular size weighs 1.19 pounds and measures 75 by 58 inches. SynergyLink Connectors attach it to sleeping pads up to 3 inches thick. This model suits thru-hikers who need high thermal efficiency with minimal pack bulk.
- 900-fill down insulation offers high loft and compressibility
- Weighs only 1.19 pounds for ultralight backpacking
- Advanced mesh wall baffling reduces cold spots
- Hydrophobic down resists moisture in adverse conditions
- SynergyLink Connectors secure the quilt to your pad
- 20°F temperature rating is lower than the 32°F Vesper Quilt
- 75-inch length may be short for taller users
- Connectors work best with pads 3 inches thick or less
- You need a lightweight quilt for cold nights
- You use a sleeping pad 3 inches thick or less
- You want high-loft down for better warmth-to-weight
- You require a sleeping bag with full enclosure
- You need a temperature rating above 20°F
- You prefer a quilt with a longer 80-inch length
Verdict: Therm-a-Rest Vesper 20F Down Quilt fits cold-weather hikers who prioritize weight savings. It delivers reliable warmth through efficient baffling and high-fill down.
Therm-a-Rest Vesper 32F Down Quilt
Best for: mild-weather ultralight backpacking
- Temperature Rating
- 32°F
- Insulation Type
- down
- Shape
- quilt
- Weight
- 15 ounces
- Fill Power
- 900-fill
- Dimensions
- 75 × 58 × 3 inches
The Therm-a-Rest Vesper Quilt 32F is a down sleeping quilt designed for minimalist backpackers. It uses 900-fill hydrophobic down insulation to provide warmth while keeping weight low. The regular size weighs 15 ounces and measures 75 by 58 inches. SynergyLink straps connect it to sleeping pads up to 3 inches thick. This model suits hikers who prioritize low pack volume and high compressibility.
- 900-fill hydrophobic down insulation
- Regular size weighs 15 ounces
- Packs down to 5 by 6 inches
- SynergyLink straps for pad attachment
- 32°F temperature rating is warmer than the 20°F option
- Regular size weighs 15 ounces
- Straps work best with pads 3 inches thick or less
- You want a lightweight quilt for mild to cool nights
- You use a sleeping pad that is 3 inches thick or less
- You prioritize high compressibility for your pack
- You need protection in freezing temperatures below 20°F
- You use a sleeping pad thicker than 3 inches
- You prefer a mummy bag shape over a quilt
Verdict: Therm-a-Rest Vesper 32F Quilt offers high-loft warmth in a compact package for hikers who camp in mild conditions. It fits backpackers who value minimal weight and pack size over extreme cold protection.
Specifications side by side
| Spec | Therm-a-Rest Vesper 20F Quilt | Therm-a-Rest Vesper 32F Down Quilt |
|---|---|---|
| Temperature Rating | 20°F | 32°F |
| Insulation Type | down | down |
| Shape | quilt | quilt |
| Weight | 1.19 pounds | 15 ounces |
| Fill Power | 900-fill | 900-fill |
| Intended Use | Backpacking | – |
| Insulation Material | Down | Down |
| Dimensions | 75 × 58 × 3 inches | 75 × 58 × 3 inches |
| Size | Standard | Standard |
| Color | Vapor | Ether |
| Model | 14345 | 14347 |
Frequently asked questions
Which Vesper quilt is better for winter camping?
The Therm-a-Rest Vesper 20F Quilt is the better choice for winter camping. It has a 20°F temperature rating, which provides reliable warmth in colder conditions. This model is designed for cold-weather ultralight backpacking. It uses efficient baffling and high-fill down to keep you warm when temperatures drop significantly.
Is the Vesper 32F quilt suitable for summer hiking?
Yes, the Vesper 32F Down Quilt is suitable for summer hiking. It has a 32°F rating, making it ideal for mild weather. This quilt is best for hikers who camp in warmer conditions. It offers high-loft warmth in a compact package, allowing you to stay comfortable without overheating on mild nights.
How do the weights of these two quilts compare?
The Vesper 32F Quilt is lighter than the 20F model. The 32F version weighs 15 ounces. The 20F Quilt weighs 1.19 pounds. If you prioritize minimal weight for mild weather, the 32F option is the lighter choice. Both are designed for ultralight backpacking, but the weight difference is notable.
What shape are these Therm-a-Rest sleeping bags?
Both models are quilts, not enclosed sleeping bags. They feature an open design that wraps around your body. This shape allows for better temperature regulation. You can use them with a sleeping pad and attach them using removable straps. This design helps reduce weight and pack size for backpackers.
What insulation material do these quilts use?
Both the Vesper 20F and Vesper 32F quilts use down insulation. The 20F model utilizes high-fill down for efficient warmth in cold conditions. The 32F model also uses down to provide high-loft warmth. This material helps keep the quilts lightweight while offering effective thermal protection for your backpacking trips.
Do these quilts work with sleeping pads?
Yes, both quilts are designed to work with sleeping pads. They feature removable straps for pad attachment. This setup helps secure the quilt in place while you sleep. The design prevents cold air from entering between you and the pad, ensuring you stay warm and comfortable throughout the night on your backpacking adventures.
See also
More Sleeping Bags ratings
See the section3 Best QEZER Sleeping Bags Under $200, Compared
We compared 3 QEZER sleeping bags under $200 using published specs. See which models offer the best weight, insulation, and temperature ratings for your…
Temperature Rating Explained: What It Means for Sleeping Bags
Temperature rating explained for 6 sleeping bags. We compare 0°F, 15°F, 20°F, and 30°F models to help you choose the right warmth for your…
Best QEZER Black Sleeping Bags in 2026: 3 Picks
We compared 3 QEZER black sleeping bags using only published specifications. This guide helps you select the right insulation and weight for your hiking…
What Is Shape? A Guide for Sleeping Bags Buyers (2026)
Understand how mummy, quilt, and rectangular shapes impact warmth and pack size. Compare 6 sleeping bags using published specifications to find your ideal fit.
Best Kelty Sleeping Bags Under $150: 2 Spec-Based Picks
Compare 2 Kelty sleeping bags under $150 using published specifications. We analyze insulation, temperature ratings, and shapes to help you find the right gear.
Get new ratings by email
A weekly digest of the products added to the ratings pages.






