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Item #:
90967910
Sea to Summit Spark Ultralight Down Sleeping Bag, 28-Degree, Long
Item #:
90967910
NZD 1230
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This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
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Weighing only 1.2 pounds, the Sea to Summit Spark Ultralight Down Sleeping Bag is designed for ultimate convenience and comfort in the wild.
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What Stands Out
Ultra Lightweight
Weighing just over a pound, this sleeping bag is perfect for backpackers seeking minimal weight without sacrificing warmth. Its feather-light design makes it easy to carry on long treks.
High-Quality Insulation
Filled with premium 850+ loft down, it provides exceptional warmth and compressibility, ensuring a cozy night's sleep in chilly conditions while still being packable for minimal space usage.
Long Length Design
Tailored for taller individuals, the long version offers added room for comfort without compromising thermal efficiency, catering to adventurers who need a spacious yet efficient sleeping solution.
Product Details
| Occupancy | 1 Person |
| Seasons | 3 Seasons |
| Temperature Rating | 40F |
| Sport Type | Backpacking |
| Closure Type | Zipper |
| Maximum Height Recommendation | 78 inches (198.1 cm) |
| Material | Nylon |
| Fill Material Type | Down |
| ShellMaterial | Nylon |
| Fabric Type | nylon |
| Shape | Mummy |
| Brand Name | Sea to Summit |
| Age Range Description | Adult |
| Global Trade Identification Number | 09327868094998 |
| Unit Count | 1 count |
| Model Number | ASP2-L |
| Manufacturer | Sea to Summit |
| Manufacturer Part Number | S2122 |
| Item Dimensions L x W | 84"L x 31"W (213.4 cm) |
| Item Weight | 1.2 pounds (540 grams) |
| Size | Long |
| Brand | Sea to Summit |
| Age Range (Description) | Adult |
| Sport | Backpacking |
| Fill Material | Down |
| Product Dimensions (L x W x H) | 84"L x 31"W (213.4 cm) |
Who Should Buy?
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Backpackers
Ideal for lightweight backpacking, this sleeping bag offers exceptional warmth-to-weight ratio for those counting every ounce.
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Ultralight Adventurers
Perfect for ultralight trekkers looking for compact, high-performance gear without sacrificing warmth during cool nights.
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Campers
Great for campers seeking a reliable sleeping bag that performs well in a variety of conditions, including moderate temperatures.
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Extreme Cold Users
Users needing a sleeping bag for severe cold climates may find this bag insufficient in sub-zero temperatures.
Product Description
Sea to Summit Spark Ultralight Down Sleeping Bag, 28-Degree, Long
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Customer Questions & Answers
-
Question:
What is the temperature rating of the Sea to Summit Spark Ultralight Down Sleeping Bag?
Answer: The Sea to Summit Spark Ultralight Down Sleeping Bag is rated for 28 degrees Fahrenheit. This makes it an excellent choice for three-season camping adventures, offering comfort without excessive weight. Its versatile design is ideal for cool summer nights or spring and fall excursions, providing warmth while keeping your pack light. -
Question:
What materials are used in the Sea to Summit Spark Ultralight Down Sleeping Bag?
Answer: This sleeping bag features high-quality 850+ loft down insulation, which provides excellent warmth-to-weight ratio. The outer shell is made from ultra-lightweight, water-resistant nylon, ensuring durability and weather resistance while remaining compressible. This careful selection of materials balances weight and performance, making it perfect for backpacking and lightweight camping. -
Question:
How much does the Sea to Summit Spark Ultralight Down Sleeping Bag weigh?
Answer: The Sea to Summit Spark Ultralight Down Sleeping Bag in Long size weighs approximately 1 pound, or 450 grams. This ultra-lightweight feature allows campers and hikers to easily carry it without adding bulk to their gear. Its lightweight design is particularly beneficial for those who go on long treks, where every ounce counts. -
Question:
Is the Sea to Summit Spark Ultralight Down Sleeping Bag compressible?
Answer: Yes, this sleeping bag is designed for maximum compressibility. It can be packed down into a small stuff sack, which is often smaller than a water bottle. This reduces the space it occupies in your backpack and makes it easier to carry on extended hikes. Its ability to compress and expand helps maintain its insulation properties while being travel-friendly. -
Question:
Can I use the Sea to Summit Spark Ultralight Down Sleeping Bag in wet conditions?
Answer: While the Sea to Summit Spark Ultralight Down Sleeping Bag has a water-resistant outer shell, it is primarily designed for dry conditions. To enhance protection in wet environments, using a waterproof stuff sack or sleeping bag liner is advisable. This additional layer of protection ensures that you stay warm and dry during unpredictable weather conditions. -
Question:
What sleeping pad should I use with the Sea to Summit Spark Ultralight Down Sleeping Bag?
Answer: For optimal performance, pairing the Sea to Summit Spark Ultralight Down Sleeping Bag with a lightweight, insulated sleeping pad is recommended. A pad with an R-value of 3 or higher enhances insulation from the cold ground, improving overall warmth and comfort. This combination is ideal for maximizing your camping experience, especially during colder nights. -
Question:
Is the Sea to Summit Spark Ultralight Down Sleeping Bag suitable for tall individuals?
Answer: Yes, the Long version of the Sea to Summit Spark Ultralight Down Sleeping Bag is designed specifically for taller individuals, providing extra length to accommodate up to 6 feet 6 inches. This feature ensures that taller campers can enjoy the same comfort and warmth without feeling constricted. It's perfect for those who value a good night's sleep in the great outdoors. -
Question:
How do I clean and maintain the Sea to Summit Spark Ultralight Down Sleeping Bag?
Answer: To maintain the Sea to Summit Spark Ultralight Down Sleeping Bag, it is important to follow specific cleaning guidelines. Use a front-loading washing machine with a gentle detergent suited for down. Avoid fabric softeners, and tumble dry on low with dryer balls to restore loft. Proper cleaning and storage will help prolong the life of your sleeping bag and maintain its performance. -
Question:
What is the fill power rating of the down in the Sea to Summit Spark Ultralight Down Sleeping Bag?
Answer: The down used in the Sea to Summit Spark Ultralight Down Sleeping Bag has a fill power rating of 850+. This high rating indicates loft and insulation efficiency, ensuring exceptional warmth while remaining lightweight. The premium down provides superior thermoregulation, making this bag a smart choice for those seeking warmth without the bulk during their outdoor adventures. -
Question:
Where can I buy the Sea to Summit Spark Ultralight Down Sleeping Bag, 28-Degree, Long?
Answer: You can purchase the Sea to Summit Spark Ultralight Down Sleeping Bag, 28-Degree, Long from Ubuy in New Zealand. Ubuy offers a reliable platform for securing this sleeping bag, ensuring you have access to high-quality outdoor gear conveniently and efficiently.
Sea to Summit Sleeping Bags ASP2-L Editorial Review
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Customer Reviews & Ratings
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Pros
- Extremely lightweight and compact
- Excellent insulation and warmth
- Durable and high-quality materials
- Comfortable for various temperatures
- Easy to pack and carry
Cons
- Zipper can be a bit tricky.
Platform Trust & Buyer Confidence
RA
Ranee
Verified buyer
“Paint ordered from USA, u buy got the product to me in New Zealand in approx a week”
22 July 2026 · via Trustpilot
NC
NordVPN
Verified buyer
“very speedy delivery,tracking info was superb-best experikence ever!!!”
24 June 2026 · via Trustpilot
NH
Nicholas
Verified buyer
“Love what I received and ordered found that usa clothes are more better quality and look better than the same clothes in my country but are harder to find here recommend ubuy 100%”
22 June 2026 · via Trustpilot
D
Dneah
Verified buyer
“Product came earlier than expected (shipped from US to NZ), in about 3 weeks. No damages and product was exactly as advertised!”
15-Jul-26 · via Trustpilot
TS
Tania
Verified buyer
“Easy to order, easy to track and the product is great to use. Also, the person-to-person (not automated) phone call I got to confirm that I'd received the item was wonderful ??”
11-Jul-26 · via Trustpilot
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NZD 1230
This product is not Fulfilled by Ubuy and can take minimum 10 days in delivery. We might cancel the product from the order and refund you if any issue arise with the delivery of this product.
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
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Features & Benefits
- Ultralight design at just 1.2 pounds.
- Engineered for 2-season use perfect for backpacking and bike packing.
- Features high-loft 850 fill power down insulation for superior warmth.
- Made with durable, lightweight 10D nylon shell and 7D liner fabric.
- Contoured mummy shape ensures a comfortable natural sleeping position.
- Compresses to just 3.5 liters for easy packing and transport.
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