BUERTS vs SYWSKW: Sleeping Bags Compared by Specs

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In this BUERTS vs SYWSKW sleeping bag comparison, we look at two down-filled options for outdoor enthusiasts. Both use 680 FP RDS-certified down for reliable warmth in cold conditions. The main difference lies in their design and target weight class. The BUERTS model prioritizes an ultralight envelope shape for minimalist hiking. The SYWSKW version offers a larger mummy-style fit with an integrated pillow for added comfort. You should choose based on your priority for pack size versus extra features.

Weight

1.85 lbs

2.6 lbs

Shape

Envelope

Mummy

Temperature Rating

32°F

0°F

Included Accessories

Inner pocket

Detachable pillow

Width

32.2 inches

33.5 inches

Weight Class

Ultralight

Lightweight

Choose the first if

• You prioritize the lowest possible pack weight for long-distance backpacking.
• You prefer a wider envelope shape that allows for easier movement.
• You need a bag rated for mild cold conditions around 32°F.

Choose the second if

• You require a higher temperature rating for colder environments near 0°F.
• You value the convenience of an integrated detachable pillow.
• You want a wider shoulder area for enhanced comfort during sleep.

Verdict

The BUERTS bag is the better choice if your primary goal is minimizing weight and bulk in your pack. The SYWSKW bag suits those who need colder weather protection and appreciate the added comfort of a built-in pillow. Select the model that aligns with your specific temperature needs and carry preferences.

BUERTS vs SYWSKW Sleeping Bags

Weight and Packability

Edge: BUERTS 680FP Ultralight Down Bag

The BUERTS 680FP Ultralight Down Bag weighs 1.85 lbs and compresses to a small 6.3 by 11 inches. It is classified as ultralight, making it ideal for hikers who want to minimize pack load. The SYWSKW Large Down Sleeping Bag is heavier, weighing 2.6 pounds. Its compressed size is larger at 7.08 by 11.80 inches. While both are designed for backpacking, the BUERTS model offers a clear advantage in weight savings. You will carry less weight and have a smaller footprint in your pack with the BUERTS option. The SYWSKW model prioritizes other features over minimal weight.

Temperature Ratings

Edge: SYWSKW Large Down Sleeping Bag

Temperature ratings differ significantly between these two bags. The BUERTS bag lists an extreme rating of 32°F, with comfort between 59 and 44°F. This suits mild to cool conditions. The SYWSKW bag offers a much lower comfort rating of 0°F and a 45°F comfort level. It is designed for cold weather and winter camping. If you plan to camp in freezing temperatures, the SYWSKW model provides the necessary warmth. The BUERTS bag is better for spring, summer, or early autumn trips where temperatures stay above freezing. Your choice depends on the coldest nights you expect to face.

Size and Interior Space

Edge: SYWSKW Large Down Sleeping Bag

Interior dimensions affect comfort during sleep. The BUERTS bag measures 84.6 inches in length and 32.2 inches in width. The SYWSKW bag is slightly longer at 86.6 inches and wider at 33.5 inches. The extra width in the SYWSKW model provides more room for movement, which is helpful for side sleepers or larger individuals. The BUERTS envelope shape also allows for some versatility, but the SYWSKW dimensions are objectively larger. If you value extra space and room to stretch out, the SYWSKW model is the better choice. The BUERTS bag is more compact, which aids packability but offers less interior volume.

Included Accessories

Edge: SYWSKW Large Down Sleeping Bag

The SYWSKW bag includes an integrated 80g detachable pillow. This adds convenience for overnight trips, as you do not need to pack a separate pillow. The BUERTS bag does not list any included accessories in its specifications. It focuses on the sleeping bag itself. The inclusion of the pillow in the SYWSKW model adds value for some users, simplifying your gear list. However, the pillow adds to the overall weight and bulk. If you prefer a minimalist setup without extra items, the BUERTS bag might be preferable. Otherwise, the SYWSKW package is more complete for immediate use.

Material and Durability

Edge: BUERTS 680FP Ultralight Down Bag

The BUERTS bag uses 400T 20D fabric, which is described as windproof, anti-static, and waterproof. This specific denier count suggests a thin, lightweight shell material. The SYWSKW bag lists duck down insulation and baffle box construction but does not specify the shell fabric denier or thread count. Both use RDS-certified down. The BUERTS material specs provide more detail on shell protection. Waterproofing is a key feature for the BUERTS model, offering reliable protection in damp conditions. Without specific shell data for SYWSKW, the BUERTS bag offers clearer information on material durability and weather resistance.

Which sleeping bag fits your trip

Ultralight backpackers minimizing pack weight

Our pick: BUERTS 680FP Ultralight Down Bag

The BUERTS bag weighs just 1.85 lbs, making it the lighter option for long-distance treks. Its compact 6.3 by 11 inch compression size saves critical pack space. You get 680 FP down insulation that provides warmth without adding bulk, ensuring you stay agile on the trail while maintaining comfort in cool conditions.

Couples wanting a double sleeping bag

Our pick: SYWSKW Large Down Sleeping Bag

The SYWSKW model features a wider 33.5 inch shoulder design for extra room. It includes an integrated 80g detachable pillow for added comfort. You can zip two of these bags together to create a double sleeping bag, making it a practical choice for couples seeking shared warmth and convenience during family camping trips.

Cold weather campers needing lower temps

Our pick: SYWSKW Large Down Sleeping Bag

The SYWSKW bag offers a 0°F comfort rating, handling colder nights better than the BUERTS model. Its box baffle construction prevents down shifting, ensuring consistent heat distribution. You benefit from reliable performance in winter conditions, with durable YKK zippers and reflective drawcords adding safety and ease of use during extended outdoor stays.

Specifications side by side

Spec	BUERTS 680FP Ultralight Down Bag	SYWSKW Large Down Sleeping Bag
Temperature Rating	32°F	0°F
Insulation Type	Down	Duck down
Shape	Envelope	–
Weight	1.85 lbs	2.6 pounds
Fill Power	680FP	680 FP
Shell Material	400T 20D fabric	–
Intended Use	Hiking, Backpacking, Mountaineering	Hiking, Backpacking
Color	Black	Blue
Size	X-Large	Large
Insulation Material	Down	Down
Target Audience	Adults	–
Weather Condition	–	Cold Weather
Included Accessories	–	Pillow
Recommended Use	Camping	Camping
Weight Class	Ultralight	Lightweight
Dimensions	84.6 × 32.3 × 3 inches	86.6 × 33.5 × 3 inches
Model	BSE-B	SYM-mummy

Frequently asked questions

Which sleeping bag is better for ultralight backpacking?

The BUERTS 680FP Ultralight Down Bag is the better choice for ultralight backpacking. It is classified as an ultralight weight class, designed to save weight in cool weather. This makes it ideal for hikers who prioritize packability over extreme cold protection. The SYWSKW option is listed as lightweight, which is heavier and better suited for campers who value integrated comfort.

Does the SYWSKW sleeping bag include a pillow?

Yes, the SYWSKW Large Down Sleeping Bag includes a pillow. This accessory is listed in the included accessories section of its specifications. The BUERTS model does not mention an included pillow in its data. If you want integrated comfort without carrying a separate pillow, the SYWSKW bag provides this feature for cold weather camping.

What is the temperature rating for the SYWSKW bag?

The SYWSKW Large Down Sleeping Bag has a temperature rating of 20°F. It is designed for cold weather conditions and provides reliable warmth. The BUERTS bag is intended for cool conditions but does not list a specific temperature rating in the provided data. You should choose the SYWSKW model if you need a verified rating for colder nights.

Which bag is wider for a more comfortable fit?

The SYWSKW Large Down Sleeping Bag is wider at 33.5 inches. The BUERTS 680FP Ultralight Down Bag has a width of 32.2 inches. Both bags are designed for adults, but the SYWSKW model offers extra space. If you prefer a roomier fit for camping, the SYWSKW dimensions provide more width than the ultralight BUERTS option.

Are both bags filled with down insulation?

Yes, both sleeping bags use down insulation. The BUERTS bag uses 680 Fill Power down, and the SYWSKW bag also uses 680 Fill Power down. Both are suitable for hiking, backpacking, and camping. You get similar insulation material in either choice, so your decision should depend on weight class and additional features like included accessories.

Which sleeping bag is longer?

The SYWSKW Large Down Sleeping Bag is longer at 86.6 inches. The BUERTS 680FP Ultralight Down Bag measures 84.6 inches in length. Both models are designed for adults, but the SYWSKW option provides two additional inches. If you are taller or prefer extra length in your sleeping bag, the SYWSKW dimensions accommodate you better than the BUERTS model.

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