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UltraLight Insulated Mat

Sea To Summit - UltraLight Insulated Mat

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12
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4

Based on 1 year's data from Feb 15, 2026 How it works

Liked most:

12

2


"The most comfortable backpacking pad I've found is the sea to summit light because it has a lot of small baffles instead of long continuous tubes like most pads. That makes it a lot more supportive."


"I was like OP and had the Klymit but then switched to the Sea to Summit ultralight insulated pad (oval shape) a year ago and it’s been amazing. ... I used my Klymit again last month on a father-son trip and the difference in comfort is noticeable."


"The Sea to Summit mats are incredibly comfortable with 4-6inches of foam."

3

4


"reliable ... I’ve been using the same inflatable pad for 6 or 7 years now and I’ve never had an issue with punctures or leaks"


"This was my first inflatable sleeping pad, it was a work horse."


"I’ve been using it for 7 years now and it’s still in perfect shape. ... Never had a puncture or any kind of issue with it."

8

2


"I was like OP and had the Klymit but then switched to the Sea to Summit ultralight insulated pad (oval shape) a year ago and it’s been amazing. ... I used my Klymit again last month on a father-son trip and the difference in comfort is noticeable."


"Comfortable ... I found the S2S more comfortable as a side sleeper"


"I have the Sea to Summit Ultralight Insulated pad and I find it quite comfortable. ... I’m a side sleeper and it feels comparable to a normal bed at home."

7

0


"packs down really small"


"Weight and volume are critical for me. ... I often cycle and sleep in my hammock when it rains for several days."


"Best part is both the mat and pillow deflate and fit inside the small front pockets of the ruck."

1

0


"Yes. Camped in around -7 deg C in the snow with it as a longer trip shakedown. No issues with cold due to the pad ... Also on the PCT we started in late March so we had cold nights (close to -5 C) in the desert including adjacent to snow around San Jacinto."

Disliked most:

1

4


"Sea to Summit ultralight pad had nothing but punctures (or material defects) for me over the years."


"My new fucking Sea to Summit Ultralite decided holding air is not its thing despite very careful handling and making sure it wasn't left inflated during the day."


"Or if it's little seam weld pinholes, take advantage of the warranty (I use Sea 2 Summit pads mostly). ... but i'm not really talking about those kind of holes (that can be patched) - i mean the phantom leaks that can't be identified or fixed easily, like seam welds, valve stuff, etc. (especially on quilted/dimpled baffles) ... All my sea to summit pads have developed stress pinholes in the dimple welds, nothing to do with anything I could have done or prevented as a user, it's a common defect with that style of baffle. ... I talked to someone at Sea to Summit once who said that those type of failures are not due to external puncture/abrading but actually weaknesses that can occur when the seam welds are done that get exacerbated/worse over time. Typically they occur under the torso/arm area and are due to more contact from elbows specifically. ... sometimes (like quilted/dimpled baffles) the pads are just prone to little defects that emerge the longer the pad is used that no amount of babying can prevent. ... No matter how much you baby your sleeping pad, if it has a weak valve attachment, it's gonna develop a leak."

2

4


"Sea to Summit ultralight pad had nothing but punctures (or material defects) for me over the years."


"My new fucking Sea to Summit Ultralite decided holding air is not its thing despite very careful handling and making sure it wasn't left inflated during the day."


"Or if it's little seam weld pinholes, take advantage of the warranty (I use Sea 2 Summit pads mostly). ... but i'm not really talking about those kind of holes (that can be patched) - i mean the phantom leaks that can't be identified or fixed easily, like seam welds, valve stuff, etc. (especially on quilted/dimpled baffles) ... All my sea to summit pads have developed stress pinholes in the dimple welds, nothing to do with anything I could have done or prevented as a user, it's a common defect with that style of baffle. ... I talked to someone at Sea to Summit once who said that those type of failures are not due to external puncture/abrading but actually weaknesses that can occur when the seam welds are done that get exacerbated/worse over time. Typically they occur under the torso/arm area and are due to more contact from elbows specifically. ... sometimes (like quilted/dimpled baffles) the pads are just prone to little defects that emerge the longer the pad is used that no amount of babying can prevent. ... No matter how much you baby your sleeping pad, if it has a weak valve attachment, it's gonna develop a leak."

1

1


"The biggest issue is the noise it makes, I move a lot from side to back and vice versa during the night. The noise sounds like balloons rubbing against each other. I've tried wrapping it in a blanket, which helps a bit but still makes a lot of noice."

4

1


"I’ve used a S2S Ultralight Insulated for years and it’s done a pretty good job but the mummy shape is not ideal for how I like to sleep. I always end up with a leg off (and freezing) or struggling to find a comfy position."

3

1


"The second problem is that, even when the pad is fully inflated, my hip bones still slightly touch the ground which is uncomfortable and make me change position even more often."

Reddit Iconbreadybreadvan 1.0
r/wildcampingintheukHelp me choose a sleeping mat!
4 months ago

Of those I have experience of the S2S ultralight, Vango Aotrom platinum and the Rapide SL. The differences between the S2S and the Vango are minimal, S2S better feeling materials and more comfortable, but colder, noisier and more expensive. The Rapide SL is much more comfortable and warmer than both. My partner uses the Rapide SL and loves it, I personally use a Thermarest Xlite and whilst not as comfortable as the Rapide is considerably lighter and noticeably warmer. If you have a store anywhere near you can try out a few I highly suggest that.

Reddit IconBZab_ 1.0
r/bikepackingSleep air pad for cold weather racing
about 1 month ago

\[I don't race\] My go to is StS UL Insulated which isn't as light as TaR ones, but the insulation greatly reduces the convection losses that are present in pads which rely only on mylar walls within the pad. Few years in and still no sign of wear nor leaks on the welds. Do you use quilt or a bag? If the latter, then maybe give a try to the Klymit Inertia X-Lite + current foam?

Reddit IconCustomerWarm6556 1.0
r/WildernessBackpackingHow much better are “nice” sleeping pads?
6 months ago

I was like OP and had the Klymit but then switched to the Sea to Summit ultralight insulated pad (oval shape) a year ago and it’s been amazing. I used my Klymit again last month on a father-son trip and the difference in comfort is noticeable.

Reddit Iconecjecj 1.0
r/bikepackingSleep air pad for cold weather racing
about 1 month ago

i second the StS UL insulated. less than a pound, packsack is not too small so it is easy to pack and the bag doubles as inflator

Reddit IconHiker-207 1.0
r/UltralightOpinions or reviews of the newest therm-a-rest trail prolite?
8 months ago

Seems relatively heavy. The Sea to Summit Ultralight Insulated Air Sleeping Pad is much lighter but cost more. [Sea to Summit - Ultralight Insulated Air Sleeping Pad](https://seatosummit.com/products/ultralight-insulated-mat?variant=7896105451548) This was my first inflatable sleeping pad, it was a work horse. The S2S has a slightly lower R value, it’s 1.5” wider and has the same thickness. I got the S2S for like $70 at the beginning of the pandemic, and it’s been a great value. I’ve recently upgrade to a Therm-a-rest xlite. I think the sea to summit is a little bit too expensive now, it should be closer to the price of the Trail Pro light. The Therm-a-Rest xlite is a much better value but for a higher price.

Reddit Iconliveslight 1.0
r/UltralightNemos Tensor Insulated All-Season vs Therm-A-Rest NeoAir XLite NXT
2 months ago

I worry sometimes about what "doing some research" means. I wonder if that included searching a relatively obscure web site such as [www.reddit.com/r/ultralight](http://www.reddit.com/r/ultralight) for the results of previous identical or nearly identical research? 3.1R is not warm enough for me below freezing temps, but the other two would work for me. Do you care about price or weight? I would not use a pad with thermal welds like the Nemo because I think they are prone to leak failures like this: [https://i.imgur.com/CctgN7p.mp4](https://i.imgur.com/CctgN7p.mp4)

Reddit IconMountain_Nerd 1.0
r/backpackingLooking for the perfect, most packable, affordable sleeping bag and pad
5 months ago

Since a good part of how you want to use this is in airports, while you’re traveling, I agree with the suggestion of getting a “quilt”. They’re light, packs small and would give you more comfort and flexibility in fitting in where you can in the airport. I wish I’d thought of that - I’m remembering a long, overnight layover in Bogota Colombia. A problem I see is that you probably don’t want as much warmth for “Travel” backpacking as you would for “wilderness” backpacking. You’ll have to find the right balance that works for you. For a sleeping pad, I’m currently using a Sea to Summit ultralight mattress. It’s light and compact but probably not as inexpensive as it sounds like you’re looking for.

Reddit IconTheTobinator666 1.0
r/UltralightTorso length sleeping pad
3 months ago

I like the STS UL Insulated in XS. For me, the low height is comfier than the balloony X-Lite

Reddit IconWhiskyRockNRoll 1.0
r/wildcampingintheukBest inflatable sleep mats?
12 months ago

6ft side sleeper, I can recommend the Sea2Summit ultralight insulated. Comfortable and light. Tried it side by side with my wife's Thermarest NeoAir X Lite and I found the S2S more comfortable as a side sleeper.

Reddit Iconrbn001 0.8
r/UltralightNoisy sleeping pad, what is a good alternative?
8 months ago

I've bought the Sea to Summit ultra light sleeping pad, and have a few problems with it. The biggest issue is the noise it makes, I move a lot from side to back and vice versa during the night. The noise sounds like balloons rubbing against each other. I've tried wrapping it in a blanket, which helps a bit but still makes a lot of noice. The second problem is that, even when the pad is fully inflated, my hip bones still slightly touch the ground which is uncomfortable and make me change position even more often. I am looking for something lightweight, but now realized how important a good night of sleep is. I am 175cm (5'8) tall and around 65kg (143 pounds). What would be a good alternative sleeping pad to try? Something without noise and maybe thicker/comfortable as well?

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