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Thursday, July 24, 2025
Great bag for summer trips. Super light and compact. Not as fragile as it looks.
DCS
Friday, July 4, 2025
great product for travel.
R. Evano
Friday, June 13, 2025
This bag comes folded in a large cube-shaped zippered bag, preserving its fluffiness. It includes a stuff sack that is the same size of a typical warm-weather thin bag. It’s not much bigger than my poly-fill camp blankets that are good to maybe 50°. Once unstuffed, this appears a bit wrinkly, but it fluffs out to an impressive thickness. It’s a good 4” thick when fluffed up, there’s a lot of air gap between me and the outside while in this bag. The side zipper is easy to operate with pulls on either side. Pulling both pulls at once makes for a clean zip. No catching on the sides. There is a flap inside the bag that overlaps the zipper. Lifting this provides a controlled bit of ventilation if the bag gets too warn. The hood is large and has a drawstring to constrict the opening. I am able to position this so the exposed part of my face is a few inches below the wind, it is a large hood.I got the XL length, being right at the edge of the sizes. I like the extra room at my feet, and it allows me to scoot down and bunch up the top a bit as a pillow. There’s a lot of coverage at the head, which I like.Extremely lightweight for the amount of warmth it provides. Fluffs out an impressive amount, stuffs small enough to fit in my 55L pack.The material is thin enough to see the fill thru the yellow parts. It feels like ultralight hammock fabric. Soft for a synthetic.No negatives to this bag, aside from being expensive; it’s a winning design and top quality.
Edl
Tuesday, June 10, 2025
Great down sleeping bag, I saw it was Sea to Summit and had to get it, excellent warmth to weight/space ratio, tried it at home and feels very warm, I have yet to test it outside, the water is just starting to get cold so will give it a spin at the first opportunity. I like the color too.
Alan
Friday, May 30, 2025
The travel size was fine. Rolled up small enough to store on my motorcycle. But if was to confining for my sleep style.
J. Young
Friday, April 18, 2025
I generally prefer quilts to bags, but as I contemplate some solo trips in colder climes, a mummy bag seemed like a smart option. Because I tend to sleep hot and given the weight/compressibility of the different temperature ratings, I got a 15 degree rated long bag (I am 6'5"), my 30 degree quilt has taken me lower than its rating comfortably. I can't say I was thrilled with the sole yellow color option but oh well. The bag comes in a storage cell, and already Sea to Summit (who I have other gear by, I love their Evac bags) has me impressed. I try to preserve my down item's loft, but that means my camping gear storage area is draped in quilts and puffy jackets all willy-nilly. I love that this comes with a storage option not just for the trail (more on that) but also for at home. The bag itself is as light as you could hope for, and comes with a very elaborate lab analysis of the down. I can confirm it comfortably fits a taller person, I would even say you could get more that 6'6" in there. The double zipper is a boon for warmer nights to partially open the bag, and I like the snaps to attach a quilt, even mine from another brand can clip in. The cinch for tightening around the head and face is easy to use from inside the bag, at least to close it, loosening is a bit tricky. And it is toasty, though I haven't gotten to find its lower limit just yet. Under my guideline of the harder a piece of gear is to get in its stuff sack, the better and moat likely ultralight it is, this is quality ultralight gear. I do like that two of the snaps have snap buckles so you can really get a decent opening. You can really crank it down to compress it, and it relofted quickly after. All in all, I am pleased and impressed, and even the yellow is starting to grow on me.
Eric D. Brown
Tuesday, March 25, 2025
This is a great bag. It works well down to about 10 degrees F and does work down to 0 F. I have begun using this bag as my main bag in the jeep in case I'm stuck out in the backcountry in the winter. Its comfortable and lightweight
Iam dumb
Friday, February 21, 2025
The Sea to Summit Spark Ultralight Down Sleeping Bag is basically a dream come true for backpackers. I grabbed the 30-degree version, and let me tell you, it’s like sleeping in a cloud. It comes with two bags: a mesh one for storage (so it doesn’t get all smushed) and a compression one for when you’re ready to hit the trail.I took it on a Sierra backpacking trip where temps were supposed to hover in the 30s, but surprise, it dipped to 27°F! The bag handled it like a champ—I was actually sweating inside. My favorite things? The featherlight weight, the cozy feel, and that nifty neck buckle that keeps everything snug.The one gripe? No foot zipper. I’m a hot sleeper, and a little foot ventilation would’ve been a lifesaver. Other than that, this thing’s a top-tier, high-quality gem!
Kunde
Tuesday, February 4, 2025
Das ist mit Abstand der beste Schlafsack den ich je hatte. Alleine die Packmaße sind ein Traum 150g schwer und die Abmaße von einem kleinen Seifenspender.
Kunde
Sunday, February 2, 2025
The sleeping bag is incredibly light and can be packed into a tiny bag half the size of a 14” laptop! I haven’t used it, but feels very cosy and warm. The colors can be a bit weird, as it’s darker on the stitching, not sure why, it’s not a big deal though. I needed a YT video to pack it, you basically keep pushing it in, don’t roll nor fold it ;)
Fitzcarraldo
Monday, November 4, 2024
Unbelievably small and leicht when packed. Meets temperature description. Naturally not very roomy inside, the reason for four instead of five stars.
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