Ascent Sleeping Bag: 30F Down
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Quantity
Only 3 In stock
Why We Like The Sea To Summit Ascent 30 Sleeping Bag
The Sea To Summit Ascent Sleeping Bag keeps us warm and comfortable for the first camping trip after the spring thaw through the last trip of the fall when leaves lay scattered on the ground. The relaxed mummy design provides room to move in our sleep, and the large fitted hood can be easily cinched down to block cold air from entering our bag. The 750-fill down is treated with an Ultra Dry hydrophobic treatment that ensures it stays warm and lofty even if our bag gets a bit wet, allowing us to get full nights of rest and enjoy our time outside.
Details
- Versatile down sleeping bag built for every adventure
- 30-degree rating is perfect for 3-season camping
- Hydrophobic 750-fill down stays warm in damp conditions
- Lightweight nylon provides durability in rugged terrain
- Mummy style bag minimizes weight and maximizes warmth
- Generous fitted hood is easily adjustable to seal out cold
- Full-length zipper allows us to get in and out easily
- DWR treatment on the hood and footbox repels moisture buildup
- Item #STSZ08J
- Responsible Collection
- Responsibly Sourced, Recycled/Repurposed
- Material
- 20D recycled nylon, DWR finish on hood and footbox
- Insulation
- 750-fill RDS-certified down, Ultra Dry hydrophobic treatment
- Shape
- mummy
- Zipper
- full-length
- Max User Height
- [regular] 6ft, [long] 6ft 6in
- Shoulder Circumference
- [regular] 62.2in, [long] 66.1in
- Hip Circumference
- [regular] 57.5in, [long] 61.4in
- Foot Circumference
- [regular] 46.9in, [long] 50.8in
- Bag Length
- regular, long
- Draft Tube
- down-filled
- Fill Weight
- [regular] 10.6oz, [long] 12.1oz
- Degree
- 30F
- European Norm/ISO Comfort Rating
- 38F
- European Norm/ISO Lower Limit Rating
- 28F
- Storage Sack
- mesh bag
- Stuff Sack
- included
- Stuff Size
- 8L
- Claimed Weight
- [regular] 1lb 11.6oz, [long] 1lb 15oz
- Activity
- backpacking, weekend camping
- Manufacturer Warranty
- lifetime
Reviews
Q&A
What do you think about this product?
Overall Rating
5 based on 29 ratings
Review Summary
Customer Images
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Selecting an option will reload the available reviews on the pageAugust 26, 2025
Go to bag
[This review was collected as part of a promotion.] Great sleeping bag, perfect size to weight ratio. This is my new "go to" bag.
Originally reviewed on Sea to Summit
April 19, 2025
Ascent down sleeping bag
[This review was collected as part of a promotion.] No review yet, backcountry trip in a few weeks The bag is definitely well made, expensive, but good things aren’t cheap and cheap things aren’t good
Originally reviewed on Sea to Summit
April 4, 2025
All I Ever Wanted!
[This review was collected as part of a promotion.] "Don't fence me in" as the song goes, and this awesome bag does NOT! Large zippered foot box allows my feet to be free! Zippered side vents for air, sweet air!! Snaps at shoulders that hold the bag (and excellent liner) up so you can make breakfast!!!! The hood is so cozy!! You will be able to customize your sleeping just like at home!! Leg out is too cold, but just the foot is perfect!!
Originally reviewed on Sea to Summit
November 26, 2024
Comfortable, warm, adjustable
[This review was collected as part of a promotion.] This is a great sleeping bag. Zipped up it is very warm, material is very comfortable and can be opened up when the conditions are warmer. Used in winter and summer
Originally reviewed on Sea to Summit
November 11, 2024
Great sleeping bag
[This review was collected as part of a promotion.] I'd highly recommend this sleeping bag! It’s very comfortable to sleep in, and I really appreciated the option to connect it to another bag. Plus, the design is great and it kept me warm throughout the night.
Originally reviewed on Sea to Summit
October 12, 2024
Love this sleeping bag. The
[This review was collected as part of a promotion.] Love this sleeping bag. The zipper in the foot box is great for cooling my hot feet.
Originally reviewed on Sea to Summit
October 10, 2024
Great bag so far! Very
[This review was collected as part of a promotion.] Great bag so far! Very warm and incredibly light. All the variations for air flow, capable of zipping to another bag is great
Originally reviewed on Sea to Summit
June 24, 2024
Ascent sleeping bag
[This review was collected as part of a promotion.] Best sleeping bag I’ve ever owned. I love the fact that both sides and feet unzip for ventilation. It fits just as the website said it did length wise, plenty of room for me being a larger guy. There is also a pocket inside that fits my phone perfect but if you had an iPhone max it probably wouldn’t fit
Originally reviewed on Sea to Summit
June 21, 2024
The best of the best!
[This review was collected as part of a promotion.] Hands down the best sleeping bag on the planet. If I was ever cold this is the bag I would want with me. The packaging is great. It folds down so little so it can go anywhere. So lightweight and durable. 10 out of 10 hands down the best!! Very durable and comfortable.
Originally reviewed on influenster.com
June 12, 2024
A fabulous sleeping bag
[This review was collected as part of a promotion.] As soon as you open the bag this feels like a high quality sleeping bag. The material is super soft and doesn’t sound scratchy so it’s not noisy when rolling over. The down lining is very warm so like it says it will be perfect for cold weather camping. The versatility of all of the zippers and openings make this not only a sleeping bag but a comfy blanket or almost coat that could be easily worn sitting by the campfire. I love the fact that it comes with both a compact bag for traveling and a storage bag as that allows for both easy travel and storage.
Originally reviewed on influenster.com
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