Sea to Summit Spark Down 0 Degree Ultralight Sleeping Bag, Regular
SKU: STSSDBR0
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About Sea to Summit Spark Down 0 Degree Ultralight Sleeping Bag, Regular
FEATURED REVIEWS
Spark 15f regular
Amazing bag super compact and light and met all temp expectations
Light, compact 3-season bag
This bag is super light, and compacts quite small which is exactly what I'm looking for. I look forward to testing it out this spring (and I look forward to not lugging around my heavy winter sleeping bag outside of winter!).
Ultralight Warmth for Cold-Weather Adventures
This Sleeping Bag is engineered for cold-weather backpacking, alpine expeditions, and winter camping, delivering maximum warmth with minimal weight. Designed for gram counters who refuse to compromise on a good night's sleep, this ultralight sleeping bag is filled with RDS-certified 850+ fill power goose down, treated with a non-PFAS Ultra-Dry Down treatment to maintain thermal efficiency in damp conditions. Whether you're braving extreme temperatures or packing light for high-altitude treks, the Spark sleeping bag ensures you stay warm, comfortable, and dry.
Technical Construction for Maximum Comfort
Built for optimal heat retention, the technical hood and zipper draft tube prevent heat loss while maintaining breathability. The super-lightweight 10D nylon liner enhances comfort and airflow, while the 10D shell with non-PFAS DWR treatment offers wind resistance and protection from condensation. A highly water-repellent hood and footbox further shield against moisture, ensuring a warm and dry sleep environment even in challenging conditions.
Versatile Zipper Design and Snag-Free Operation
The YKK #5 zipper features a zipper plough for snag-free operation, enhancing usability and durability. The full-length zipper model can also be paired with an equivalent Women's Spark sleeping bag, allowing couples to zip their bags together for added warmth and shared comfort. The ergonomic mummy shape provides a perfect balance of warmth and space, while the anatomical footbox offers room for natural movement without adding excess weight.
Technical Features
HEIQ Fresh
Sea to Summit Liners are treated with HeiQ Fresh FFL, a biocide-free, highly effective odor control technology that uses a bio-based Amino Sugar Polymer to neutralize body odor.
Thermolite Pro
Thermolite Pro has engineered hollow fibers like standard Thermolite but with the addition of permanent ceramic pigments that absorb the body's infrared rays and reflect them back to the wearer.
Thermolite Eco Made
The recycled Thermolite EcoMade fibers are made from 100% textile waste, are GRS-certified, and offer the same quality and durable lightweight warmth as their polymer virgin counterparts but with a lower carbon footprint.
Sea to Summit Spark Down 0 Degree Ultralight Sleeping Bag, Regular Features
- 850+ fill power goose down offers superior warmth without added weight
- Non-PFAS Ultra-Dry Down treatment enhances insulation in damp conditions
- 10D shell with non-PFAS DWR provides wind and moisture resistance
- Technical hood and zipper draft tube prevent heat loss
- Ultralight, breathable 10D nylon liner increases airflow and comfort
- Anatomical footbox ensures natural movement while maintaining insulation
- YKK #5 zipper with plough guarantees snag-free operation
- Full-length zipper models zip together with equivalent Women's Spark bags
- Highly water-repellent hood and footbox shield against condensation
- Comes With 40D recycled, bluesign APPROVED nylon compression bag
Warranty Information
This product has a limited lifetime warranty.
https://seatosummit.com/pages/warranty
303-440-8977