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Item #:
152500123
Sea to Summit Spark Ultralight Down Sleeping Bag, 28-Degree, Regular
Item #:
152500123
BND 921
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28-degree Fahrenheit ultralight down sleeping bag, high-loft 850 fill power down insulation, Ultralight, compressible 10D nylon shell, Contoured mummy shape provides adequate room, baffle construction in the torso and sewn-through in the leg area
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What Stands Out
Ultralight Design
Weighing only 480 grams, the Spark SpII allows for lightweight backpacking without compromising warmth, making it ideal for adventurous travelers seeking to minimize pack weight.
High Thermal Efficiency
Constructed with high-quality down insulation, this sleeping bag offers exceptional warmth-to-weight ratio, keeping campers cozy during cold nighttime temperatures, enhancing their outdoor experience.
Compact Packing
Designed to compress into a small size, the Spark SpII fits easily into backpacks, providing convenience for outdoor enthusiasts who value space-saving, practical gear without sacrificing comfort.
Product Details
- 28-degree Fahrenheit (-2-degree Celsius) ultralight down sleeping bag for 2-season backpacking, bike packing, and touring
- High-loft 850 fill power down insulation (Responsible Down Standard certified) treated with ULTRA-DRY Down for moisture resistance
- Ultralight, compressible 10D nylon shell with 7D liner fabric for minimal weight and bulk; one-third length, left-side YKK zipper
- Contoured mummy shape provides natural sleeping position; baffle construction in the torso and sewn-through in the leg area
- Regular size bag has a max user height of six feet; bag weighs 1.1 pounds; compresses to 2.5 liters with included Ultra-Sil compression sack
- Includes Ultra-Sil compression sack and storage cube; guaranteed against defects for the lifetime of the product
| Occupancy | 1 Person |
| Seasons | 3 Seasons |
| Sport Type | Backpacking |
| Additional Features | Ultralight, Compressible |
| Closure Type | Zipper |
| Maximum Height Recommendation | 6 Feet |
| Material | Nylon |
| Fill Material Type | Down |
| ShellMaterial | Nylon |
| Fabric Type | nylon |
| Color | blue |
| Shape | Mummy |
| Brand Name | Sea to Summit |
| Age Range Description | Adult |
| Global Trade Identification Number | 09327868094981 |
| Model Number | ASP2-R |
| Manufacturer Part Number | S2121 |
| Manufacturer | Sea to Summit |
| Unit Count | 1.0 Count |
| Item Dimensions L x W | 78"L x 30"W (198.1 cm) |
| Item Weight | 1.1 Pounds (500 grams) |
| Size | Standard |
| Brand | Sea to Summit |
| Age Range (Description) | Adult |
| Sport | Backpacking |
| Special Feature | Ultralight, Compressible |
| Fill Material | Down |
Who Should Buy?
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Backcountry Campers
Lightweight and compact, perfect for backpackers seeking a comfortable sleep solution without excess weight.
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Warm-Weather Trips
Ideal for summer camping, offering excellent warmth-to-weight ratio for warm climates.
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Minimalist Hikers
Designed for those who prefer ultra-light gear, maximizing packing efficiency and minimizing bulk.
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Winter Adventurers
Not suitable for extreme cold conditions; insulation is not enough for winter camping or sub-zero temperatures.
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Budget Shoppers
Higher price point may not appeal to casual campers or those looking for low-cost alternatives.
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Heavy Sleepers
Limited insulation may not provide comfort for users who need extra warmth during colder nights.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What are the key features of the Sea to Summit Spark Ultralight Down Sleeping Bag?
Answer: The Sea to Summit Spark Ultralight Down Sleeping Bag is designed for those seeking high performance in a lightweight package. Key features include 850+ loft down insulation, a tapered design that allows for efficient heat retention, and a water-resistant shell that protects against moisture. The bag is also compressible, making it suitable for backpacking and trekking. The combination of these attributes makes it ideal for cool weather camping, where weight and packability are essential. -
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, making it suitable for three-season use. This temperature rating ensures adequate warmth for typical camping environments in spring, summer, and fall. Its design effectively minimizes heat loss, providing comfort in cooler conditions. This bag is particularly beneficial for hikers and campers who plan to tackle chilly nights in the backcountry. -
Question:
How does the down insulation perform in wet conditions?
Answer: The down insulation in the Sea to Summit Spark Ultralight Sleeping Bag is treated with a water-repellent finish, helping to maintain loft and warmth even in damp conditions. This treatment ensures that the down clusters do not absorb moisture easily, reducing the risk of clumping. For those who may encounter unexpected rain or moisture, this feature ensures you can stay warm without the bulk of synthetic insulation, making it an excellent choice for unpredictable weather. -
Question:
Is the Sea to Summit Spark Ultralight Down Sleeping Bag suitable for tall campers?
Answer: Yes, the Regular size of the Sea to Summit Spark Ultralight Down Sleeping Bag is designed to accommodate users up to 6 feet in height. The tapered design helps optimize warmth while providing enough length for taller individuals. Campers who are taller will appreciate the additional space that allows for a comfortable sleeping position without restriction, making it a versatile option for diverse body types. -
Question:
What is the weight of the Sea to Summit Spark Ultralight Down Sleeping Bag?
Answer: The Sea to Summit Spark Ultralight Down Sleeping Bag boasts an impressive weight of approximately 1 lb 2 oz (495 g) for the Regular size. This feather-light construction is perfect for ultralight backpackers and those looking to reduce pack weight without sacrificing comfort. Its low weight and compact size make it an ideal choice for long treks, ensuring that campers can move freely without the burden of heavy gear. -
Question:
Can I use the Sea to Summit Spark Ultralight Down Sleeping Bag for winter camping?
Answer: While the 28-degree rating makes the Sea to Summit Spark Ultralight Down Sleeping Bag versatile for three-season camping, it may not be warm enough for winter conditions. If temperatures drop significantly, consider pairing it with an insulated liner or sleeping bag if you plan to camp during colder months. This approach provides additional warmth without carrying the bulk of a heavier winter sleeping bag. -
Question:
What is the recommended sleeping pad to use with the Sea to Summit Spark Ultralight Down Sleeping Bag?
Answer: Using a high-quality sleeping pad in conjunction with the Sea to Summit Spark Ultralight Down Sleeping Bag can enhance overall comfort and warmth. It is recommended to use an insulated sleeping pad that offers an R-value of at least 3 to prevent heat loss to the ground. A pad like the Sea to Summit Etherlight XT is a compatible choice, providing excellent insulation and comfort for a restful night's sleep under the stars. -
Question:
How should I care for my Sea to Summit Spark Ultralight Down Sleeping Bag?
Answer: To maintain the quality of your Sea to Summit Spark Ultralight Down Sleeping Bag, it is advisable to store it uncompressed in a breathable cotton storage sack when not in use. For washing, follow the manufacturer's instructions, typically involving a gentle cycle with a down-specific detergent. Proper care ensures longevity, maintaining the bag’s loft and warmth, which is vital for repeated outdoor adventures. -
Question:
What makes the Sea to Summit Spark Ultralight Down Sleeping Bag a better choice than synthetic options?
Answer: The Sea to Summit Spark Ultralight Down Sleeping Bag utilizes high-quality down insulation, which provides superior warmth-to-weight ratio compared to synthetic alternatives. Down insulation is more compressible, allowing for smaller packing size, and tends to offer better insulation for its weight. If you are an avid backpacker looking to maximize efficiency and minimize bulk in your pack, down sleeping bags like this one can be a preferable choice. -
Question:
Where can I buy the Sea to Summit Spark Ultralight Down Sleeping Bag in Brunei?
Answer: You can purchase the Sea to Summit Spark Ultralight Down Sleeping Bag from Ubuy in Brunei. Ubuy offers a reliable shopping experience with a wide selection of outdoor gear and equipment, making it an excellent choice for sourcing this high-performance sleeping bag.
SeatoSummit Sleeping Bags ASP2-R Editorial Review
The SEA TO SUMMIT Spark SpII ST81233 Regular sleeping bag has garnered a collection of feedback highlighting its lightweight and compact design, making it a preferred choice for outdoor enthusiasts. Many users appreciate its functionality, especially in a three-season context, indicating that its warmth is on par with other models they have used, while being notably lighter. The soft exterior is a plus, and most reviewers value that it offers comfort without unnecessary moisture retention. However, there have been some mixed comments regarding odor, with a few users reporting a faint poultry smell, which seems to diminish over time with proper airing. Users have pointed out minor quality concerns, like losing feather fill over time and some difficulties with the zipper. That said, care in handling the zipper can mitigate these issues. Users also noted that its narrow design might not be comfortable for everyone, especially those taller than 180 cm. Users also commented on the sleeping bag's practicality for off-trail usage or even casual settings like sleeping at workplaces. However, it appears the sleeping bag may not be the best long-term investment for durability, as the feather loss could impact its insulating properties eventually. Overall, the SEA TO SUMMIT Spark SpII ST81233 is a decent choice for those seeking a balance of lightness and warmth but may not suit everyone in terms of comfort and longevity. **
Customer Reviews & Ratings
61 customers ratings
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5 Star
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4 Star
18%
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3 Star
6%
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2 Star
3%
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Pros
- Extremely lightweight and compact
- Comfortable warmth comparable to heavier models
- Soft exterior that resists moisture
- Suitable for three-season use
Cons
- Possible odor issue, which may require airing
Product Price History
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Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
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Features & Benefits
- 28-degree Fahrenheit ultralight down sleeping bag
- High-loft 850 fill power down insulation
- Ultralight, compressible 10D nylon shell
- Contoured mummy shape provides adequate room
- Baffle construction in the torso and sewn-through in the leg area