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 cm \| 72.83 in	150 g \| 5.29 oz	7 °C \| 45 °F	11 °C \| 52 °F
45°F / Long	387 g \| 13.7 oz	422 g \| 14.9 oz	211 x 82.5 cm \| 83.1 x 32.5 in	24 x 15 x 10 cm \| 9 x 6 x 4 in	2.9 L	211cm \| 83in	198 cm \| 77.95 in	172 g \| 6.07 oz	7 °C \| 45 °F	11 °C \| 52 °F
30°F / Regular	493 g \| 17.4 oz	558 g \| 19.7 oz	196 x 77.5 cm \| 77.2 x 30.5 in	34 x 19.5 x 13.5 cm \| 13 x 8 x 5 in	4.5 L	196cm \| 77in	185 cm \| 72.83 in	265 g \| 9.35 oz	-1 °C \| 30 °F	4 °C \| 39 °F
30°F / Long	536 g \| 18.9 oz	601 g \| 21.2 oz	211 x 82.5 cm \| 83.1 x 32.5 in	34 x 19.5 x 13.5 cm \| 13 x 8 x 5 in	5.1 L	211cm \| 83in	198 cm \| 77.95 in	305 g \| 10.76 oz	-1 °C \| 30 °F	4 °C \| 39 °F
15°F / Regular	730 g \| 25.7 oz	808 g \| 28.5 oz	196 x 77.5 cm \| 77.2 x 30.5 in	41 x 22.5 x 15.5 cm \| 16 x 9 x 6 in	6.8 L	196cm \| 77in	185 cm \| 72.83 in	480 g \| 16.93 oz	-9 °C \| 16 °F	-2 °C \| 28 °F
15°F / Long	786 g \| 27.7 oz	864 g \| 30.5 oz	211 x 82.5 cm \| 83.1 x 32.5 in	41 x 22.5 x 15.5 cm \| 16 x 9 x 6 in	7.6 L	211cm \| 83in	198 cm \| 77.95 in	540 g \| 19.05 oz	-9 °C \| 16 °F	-2 °C \| 28 °F
15°F / Double	1543 g \| 54.4 oz	1638 g \| 57.8 oz	211 x 134 cm \| 83.1 x 52.8 in	46 x 27.5 x 18 cm \| 18 x 11 x 7 in	14.3 L	211cm \| 83in	198 cm \| 77.95 in	985 g \| 34.74 oz	-9 °C \| 16 °F	-2 °C \| 28 °F
0°F / Regular	1113 g \| 39.3 oz	1208 g \| 42.6 oz	196 x 77.5 cm \| 77.2 x 30.5 in	46 x 27.5 x 18 cm \| 18 x 11 x 7 in	9.9 L	196cm \| 77in	185 cm \| 72.83 in	840 g \| 29.63 oz	-18 °C \| 0 °F	-10 °C \| 14 °F
0°F / Long	1204 g \| 42.5 oz	1299 g \| 45.8 oz	211 x 82.5 cm \| 83.1 x 32.5 in	46 x 27.5 x 18 cm \| 18 x 11 x 7 in	10.6 L	211cm \| 83in	198 cm \| 77.95 in	945 g \| 33.33 oz	-18 °C \| 0 °F	-10 °C \| 14 °F

Key Features

RDS-certified, 850+ fillpower goose down with a non-PFAS Ultra-Dry Down treatment for maximum thermal performance
Ultralight, breathable 10D nylon liner and a 10D shell with non-PFAS 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 plough 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)

Available Options

Temp Rating

45°F
30°F
15°F
0°F

Size

Regular
Long
Double

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Drylite Towel

Wilderness Wash

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