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Sea to Summit Spark SP0III 18F Sleeping Bag - Moosejaw
 
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  • Offer valid through December 14th, 2023.
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Sea to Summit Spark SP0III 18F Sleeping Bag
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Sea to Summit Spark SP0III 18F Sleeping Bag

Sea to Summit Spark SP0III 18F Sleeping Bag is rated 4.6 out of 5 by 142.
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4.6 Star Rating
4.6
$509.00
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Product Description

Item No.   10482314

FEATURES of the Sea to Summit Spark SP0III 18F Sleeping Bag

  • ULTRA-DRY Down 850+ Loft 90% Down Cluster Premium Goose Down certified Responsible Down Standard (RDS)
  • 10D shell and 7D liner materials help to achieve the incredible lightweight and compact packed size
  • Includes lightweight Ultra-Sil™ compression bag and storage cell
  • Full-length side zipper
  • Fully baffled construction

Product Specifications

Shoulder Circumference (Regular): 58 in.
Shell Fabric: Ultralight 10D Nylon
Disclaimer: We only ship this brand to US Addresses.
Foot Circumference (Long): 38 in.
Fill Weight (Long): 17.1 oz
Max User Height (Long): 6 ft 4 in.
Hip Circumference (Regular): 50 in.
Shoulder Circumference (Long): 60 in.
Certification(s): Responsible Down Standard
Hip Circumference (Long): 52 in.
Foot Circumference (Regular): 35 in.
Material Details: 7D Nylon Liner
Fill Weight (Regular): 15.2 oz
Sustainability: Responsible Down Standard
Weight (Regular): 23.6 oz
Weight (Long): 26 oz
Ultralight: Yes
Gender: Mens
Best Use: Backpacking
Insulation: Down
Seasons: 3-Season
Temperature Rating: 11 - 20 Degrees Fahrenheit
Exact Temperature Rating: 18 Degrees Fahrenheit
Max User Height (Regular): 6 ft
Fill Details: 850+ Loft ULTRA-DRY Down
Zipper Side: Left
Responsible Down Standard

Responsible Down Standard
The Responsible Down Standard helps make sure the down and feathers used in your products are only taken from humanely treated animals. Consumers purchasing products with this certification can be ensured the ducks and geese are not subjected to unnecessary harm.

Product Reviews

Rated 5 out of 5 by from Great bikepacking bag [This review was collected as part of a promotion.] I got this bag and have paired it with the Reactor liner to give me a wide variety of temperatures I can be comfortable in for bike packing. Honestly I understand the short zipper to save weight but I would rather carry the few extra grams and have to be able to fully open to give it even more versitility.
Date published: 2023-11-23
Rated 5 out of 5 by from Thumbs up for Spark Ultralight [This review was collected as part of a promotion.] Was not disappointed with the weight. I got this to be a much lighter, more compressible bag to replace current bag. Happy I did so. Totally worth the upgrade.
Date published: 2023-11-18
Rated 4 out of 5 by from This is a very WARM [This review was collected as part of a promotion.] This is a very WARM sleeping bag. It is not for mild weather, it is so warm. BUT, it is GREAT for very cool to cold weather. It is VERY LIGHTWEIGHT, and compresses down very small. However, the compression bag that comes with it, it is so small to begin with that it makes it hard to get the bag all in there. So, I bought another compression bag to do away with that frustration. I do not like that the zipper does not go all the way to the end, but leaves about an 18" toe box. It would be nice if it went to the end, so I could use it more for a blanket in mild weather. I like that it came with a breathable storage bag. Quality is very good. I am 6 feet tall and 175lbs and fit great in it. Overall it is a GREAT sleeping bag, just at the price point, I want it to be perfect (zipper not going down all the way and compression bag), but I think it may be as close to perfect as I can get. If you can afford it, it is definitely worth it.
Date published: 2023-11-14
Rated 5 out of 5 by from Amazing Sleeping Bag Super light weight, compact when put into the stuff sack, and warm at night! Took it on a two night trip in Northern California and did not disappoint.
Date published: 2023-11-11
Rated 5 out of 5 by from Great product! [This review was collected as part of a promotion.] I recently used this sleeping bag for a 6 day backpacking trip on Isle Royale. The light weight and small pack size really helped manage my backpack spacing. Although some nights got cold, I stayed cozy. Nothing works like down for good insulation. It was comfy and fit me well (6 ft tall). Be prepared for a smell of feathers. That'll dissipate over time though.
Date published: 2023-10-21
Rated 5 out of 5 by from Superb Bag! [This review was collected as part of a promotion.] Super packable! Took this bag bikepacking and it proved warmer than I expected. Love how lightweight it is. I considered a quilt, but I am glad I went with the hooded bag - it provides that extra bit of coziness when it's chilly. Highly recommend.
Date published: 2023-10-16
Rated 5 out of 5 by from What can I say, this [This review was collected as part of a promotion.] What can I say, this thing packs tiny keeps me warm in the shoulder season and during wind and rain. For the size I'd say it's hard to get more bang for your buck and I really like the look as well. Sleeping in the high 50s. I only had my feet in this thing Mainly using in the deserts and rivers of southwestern Utah.
Date published: 2023-09-07
Rated 5 out of 5 by from Awesome Customer Service [This review was collected as part of a promotion.] When I had trouble receiving my order, Sea to Summit was on top of it. They worked tirelessly to get me my sleeping bag in time for my course I needed to instruct. The bag it perfect; just right for 45 degree nights, super packable, durable and lightweight. I love it.
Date published: 2023-08-03
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Is there any way to attach this bag to a sleeping pad (w.g. side loops, detachable bottom straps)?

Asked by: Nate Tro
Hey Nate Tro, thanks for the question! Let me go double-check that for you and I'll be back with that answer as soon as possible.
Answered by: Marty Moose
Date published: 2020-11-13

How much does this bag weigh? 

Asked by: Nick
Hello Nick! This bag weighs 1lb 7.5oz. Hopefully this helps!
Answered by: Barry B Benson
Date published: 2020-02-16
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Size Guide