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Updated on 5/9/2024
By Abigail Scott
I'm Abigail Scott, an author, adventurer, and mother of three. When I'm not navigating the beautiful chaos of motherhood, you can find me tackling the turbulent waters as a professional whitewater kayaker or scaling impressive rock faces as a climbing guide. The rush of adrenaline, whether from kayaking or climbing, is a feeling I cherish deeply. But the thrill doesn't stop there; I capture the breathtaking allure of nature through my lens as a professional photographer. And when I'm not submerged in the wild, my software engineering skills amplify my outdoor pursuits, allowing me to harness technology in unique ways. Through my writings, whether articles or blog posts, I share not just my adventures but my heart, hoping to spark a flame of inspiration in others to break boundaries and experience the world's wonders.
Learn More about Abigail Scott
Spark SpI Sleeping Bag: 40 Degree Down
Weighing only 12 ounces, the Sea to Summit Spark Spl Sleeping Bag is the ultimate choice for ultralight backpackers, adventure racers, touring bicyclers, and alpine climbers. Packed with 850+ down, this sleeping bag offers the perfect balance between warmth and weight, keeping you cozy even in temperatures as low as 45F. Thanks to Sea to Summit's Ultra-Dry Down treatment, the Spark Spl is also moisture-resistant, ensuring your comfort in any conditions.
The contoured mummy shape of the Spark Spl provides a snug fit for a comfortable night's sleep. The full hood wraps around your head, eliminating the risk of waking up with freezing ears. The 1/2-length zipper on the left maximizes insulation when the temperature drops. In colder conditions, the SpI can be used as an ultralight sleeping bag liner, providing additional warmth for high alpine treks or winter camping. Additionally, the Spark Spl compresses small, allowing you to pack it easily, even if you prefer to travel light.
Product Details:
- Versatile, compact, and lightweight performance sleeping bag
- Contoured mummy shape delivers comfort and efficient insulation
- Warm Ultra-Dry Down insulates even in wet conditions
- Light shell fabric compresses down small for efficient packing
- Vertical chest baffles prevent down migration to warm your core
- 1/2-length zipper allows easy access while keeping weight down
- Lightweight design allows use as a liner in colder conditions
- Sea to Summit focuses on comfortable and lightweight products
Specs
Material [face fabric] 10D nylon, [lining] 7D nylon
Insulation RDS 850+ Loft Premium Goose Ultra-Dry Down
Shape contoured mummy
Zipper 1/2-zipper
Max User Height [regular] 6ft, [long] 6ft 4in
Shoulder Circumference [regular] 59in, [long] 62in
Hip Circumference [regular] 51in, [long] 54in
Foot Circumference [regular] 35in, [long] 38in
Bag Length [regular] 6ft, [long] 6ft 6in
Pockets none
Pad Retainer no
Venting 2-way zipper
Fill Weight [regular] 6.3oz, [long] 7.2oz
Degree 40F
European Norm/ISO Comfort Rating 48ºF
European Norm/ISO Lower Limit Rating 40ºF
Storage Sack storage cell
Stuff Sack Ultra-Sil compression bag
Stuff Size 15 x 8in
Claimed Weight [regular] 12oz, [long] 13.6oz
Manufacturer Warranty lifetime
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