Name: Black / Regular
SKU: 410043280777

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Ultralight and packable performance sleeping bag with increased breathability in shell and liner fabrics.

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-PFC 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-PFC 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.

Features
• Best use: Ultralight Backpacking
• Comes with: Ultra-Sil™ Compression Bag & Storage Cell
• Zip options: Ykk #5 zippers with snag free zipper plow
• RDS-certified, 850+ fillpower goose down with a non-PFC Ultra-Dry Down treatment for maximum thermal performance
• Ultralight, breathable 10D nylon liner and a 10D shell with PFC-free DWR keeps the hood and footbox highly water resistant
• Technical hood, anatomical footbox and an ergonomic mummy shape-ultralight doesn't have to mean ultratight
• YKK #5 zippers with zipper plow provide reliable, snag-free operation
• Baffle construction specific for each use: Sewn through for lighter weight(7°C/45°F), Hybrid box baffles in torso/sewn through in leg area(-1°C/30°F)or full box baffles for maximum warmth(-9°C/15°F)

Materials
• Insulation: RDS certified, 850+ PFC free Ultra-Dry Down

Specifications
• Shape: Mummy
• Bag Weight: 363g/12.8oz
• Compressed Volume: 2.4L
• Compression Sack: 2L
• Fill Weight: 150g/5.3oz
• Max User Height: 185cm/6ft 1in
• Temperature rating(EN lower limit): 7°C/45°F
• Women's temp rating(EN comfort): 11°C/51°F
• Performance: Warm Climate

Specifications

Gender	Men Women
Age	Adult
Temperature Rating	0°C and +
Insulation Type	Down

Availability:

Worldwide Some exclusions apply

Mark M.

13/03/25

Lightweight and well made

This is a well made sleeping bag. I purchased it for some bikepacking trips this summer. I haven’t tried it much yet but it seems to be well made and very light. I would say it’s best suited for warmer summer camping.

Terry E.

03/06/24

Only one flaw

So, I ordered this bag along with the thermarest hyperion 0. What I like about this bag is that it is more roomy in the upper body area than the thermarest. It also compacts down very small and is the lightest. The only issue If that the zip does not go down the whole way nor can you open up the feet section. So, I have a feeling that this bag is ...Read More

for the true weight weenies that are camping at a very specific temperature range. It’s a warm weather bag but if its too warm you are stuck and if it gets colder you are stuck as well. I then found the Traveller S2S and although it does not pack as small and is heavier than the spark for the same temp rating, I can see it being more useful for temperature regulation. I opted for that instead. Read Less