Store star ratings run high (most products average above 4.3), so they count less than written reviews.
Spark Down Sleeping Bag








Spark Down Sleeping Bag
| Weight | 363 g (Regular), 493 g (Long), 730 g (Double) |
|---|---|
| Down Treatment | Non-PFAS Ultra Dry |
| Fill | RDS certified 850 FillPower goose down |
| Insulation | RDS certified 850 FillPower goose down with non-PFAS Ultra Dry treatment |
| Liner Material | 10D nylon |
| Shell Material | 10D nylon with non-PFAS DWR |
What these specs mean
- Denier (D)
- Fabric thickness. Lower numbers are lighter; higher numbers resist abrasion and punctures better.
About this item
- RDS certified 850 FillPower goose down with non-PFAS Ultra Dry treatment for maximum thermal performance and sustainability.
- RDS certified 850 FillPower goose down: Delivers high warmth and energy return for superior insulation
- Non-PFAS Ultra Dry down treatment: Enhances water resistance and environmental sustainability
- Technical hood and anatomical footbox: Retain warmth and keep out wind and moisture
- 10D nylon shell with non-PFAS DWR: Provides lightweight, highly water-repellent protection
- Breathable 10D liner fabric: Prevents overheating and sheds wind and condensation
How it scores
Very good · likely 6.3 to 8.8 · low confidence
From 777 store ratings.
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By what matters
By source
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Reviews and videos
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Compare with similar items
This itemSpark Down Sleeping Bag | Ultra Lightweight Sleeping Bag & Portable Stealth Angel Survival | Waratah | Ultralight Goose Down Sleeping Bag | CHILKOOT 0° | |
|---|---|---|---|---|---|
| Customer rating | Highest rated | ||||
| Price | $349.00 | $29.95 Lowest price | $265.00 | $129.95 | $559.20 |
| Doorprice Score | 7.5Doorprice Score | 8.1Doorprice Score Best score | 7.6Doorprice Score | 7.6Doorprice Score | 7.5Doorprice Score |
| Sold by | Sea to Summit North America | Stealth Angel Survival | Neve Gear | KILOS GEAR | Stone Glacier |
| See details | See details | See details | See details | See details |
Product description
Spark Down Sleeping Bag If you're counting grams, but still count on a great night's sleep, the Spark may be the right bag for you. Filled with RDS-certified 850+ fillpower goose down treated with a non-PFAS Ultra-Dry Down treatment, the Spark is constructed with a technical hood and zipper draft tube to retain warmth. Comfort comes from a super-breathable 10 denier liner fabric, while a 10D shell with a non-PFAS DWR plus a highly water repellent hood and footbox fabric shed wind and condensation. The full-length zipper model can be zipped to an equivalent Women's Spark for comfort that couples can share Tech Specs Materials Shell: 100% nylon Lining: 100% nylon Down Fill: 90/10 Goose Down Stuff Sack: 100% nylon - excluding trims Insulation RDS-certified, 850+ fillpower goose down with a non-PFC Ultra-Dry Down treatment Specifications by Temp Rating & Size Temp Rating & Size Weight Packed Weight Dimension Packed Size Compressed Volume Length Recommended User Height Fill Weight Temp Rating (ISO Lower) Temp Rating (ISO Comfort) 45°F / Regular 363 g | 12.8 oz 398 g | 14.0 oz 196 x 77.5 cm | 77.2 x 30.5 in 23 x 12.5 x 9 cm | 9 x 5 x 4 in 2 L 196cm | 77in 185
From the seller’s listing.
Product details
| Weight | 363 g (Regular), 493 g (Long), 730 g (Double) |
|---|---|
| Down Treatment | Non-PFAS Ultra Dry |
| Fill | RDS certified 850 FillPower goose down |
| Insulation | RDS certified 850 FillPower goose down with non-PFAS Ultra Dry treatment |
| Liner Material | 10D nylon |
| Shell Material | 10D nylon with non-PFAS DWR |
| Sizes | Regular, Long, Double |
| Temperature Ratings | 45°F (30°C), 30°F (15°C), 15°F (7°C), 0°F (-18°C), 7°C |
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