Sea To Summit - Comfort Plus SI Self-Inflating Foam Sleeping Pad
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Based on 1 year's data from Feb 8, 2026 How it works
Liked most:
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"A good robovac is a life changer. Even a $350 basic S8. It is a great place to start. ... I promise you that you will not be disappointed by a basic S8. It will change your life even if it can't fit under every piece of furniture you own. ... My two S8s just finished vacuuming our entire house in about 46 minutes. ... While my floors were being cleaned, I sat comfortably on our patio in the cool shade with a slight breeze and composed my far too long response to you while sipping a diet soda and relaxing. ... I will have to spend about four minutes maintaining my two S8s. This will be my entire contribution to my home floor cleaning effort for today. Four minutes!"
"For an open style earbud, these genuinely surprised me with their overall performance in sound at this price point. ... IMHO, these Soundpeats PearlClip Pro are probably the best I’ve heard in this under $50 price category when it comes to this style of earbuds. ... These are one of the best clip-on earbuds in this price category especially when it comes to price to performance in sound quality and feature set"
"Excellent detail retrieval ... The Aether raises the bar for the entire IEM industry. ... It represents a tectonic shift in what consumers can expect in both tonal purity and technical prowess per dollar. ... The Aether’s capacity to resolve detail eclipses many much more expensive IEMs both old and new alike."
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"will last you forever as they are absolute tanks"
"The VXE R1 PRO has the Huano Blue Shell Pink Dot switches that are truly legendary and has no problems in the long run whatsoever in terms of double clicking or becoming mushy or anything really."
"Got these and never had a leak in 3 years now and I sleep through the night."
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"I just put up with the pinholes and patching them on trail because I can't sleep better on any other pad. ... There's a huge difference in comfort depending on your body between the dimpled baffling of the Etherlight/Tensor and the horizontal baffling of the Xlite. ... I can't sleep on horizontal baffling despite all the good features of the Xlite. ... I'm a side sleeper and my arms and shoulders ache and/or fall asleep or go numb on the Xlite. For whatver reason I can only sleep on dimpled baffles (tensor, etherlight)"
"super comfy. ... And even me at 270lbs I can sit in my side and not bottom out (inflated a lot though)"
"definitely has improved our sleep quality a lot while camping ... boyfriend has back issues so a bad sleep set up is not really an option"
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"used for the first time at 1 degree and I was nicely warm. ... very impressed with the quality and warmth."
"It has an R value of 4.0 which has kept me warm all year round in temps down to about -5."
"how it kept us warm down to an exact 35 degree night."
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"I'm not exaggerating when I say I can't imagine a pump being more effective than the one included with the lost horizon. ... It deflated the mattress to pancake flat in seconds - I don't know what better even means in this context."
"It's worth getting the pump. When you use it to deflate it's almost flat."
"It uses an inflator bag and inflates easily/quickly."
Disliked most:
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"found it to be the equivalent warmth of the insulated static v plus my ccf, and even pairing the etherlight extreme with a ccf, and having it fully inflated wasn’t nearly enough for sleeping on frozen ground or snow."
"I've only slept on it for one night with a Thinlight underneath, where it got down to 35F and I felt the cold under the pad for sure but it was fine. ... I would *never* use it without a Thinlight. ... not anywhere near as warm."
"Im not sure if I can trust S2S with another pad after my freezing XT. ... Comfort counts for nothing if using a quilt and you're cold."
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"Dropped about 9ozs and kicked myself the rest of the way down the trail for being so gullible. ... I could really feel those 9ozs off my back."
"stupidly heavy mondo king pad"
"For pack-in or hiking its FAR too heavy."
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"which started leaking after 3 nights"
"Avoid StS Etherlight XT at all costs, as I have had two getting pinctures where the dividers attach. ... Constant flats from just lying on them."
"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."
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"having a couple nights of bad hip pain using the comfort plus."
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"when it comes to height support, I find that Durston tends to overestimate. ... I'm 198 cm tall, and only X-Mid Pro 2+ is usable for solo use. ... I definitely wouldn’t go for the one-person X-Mid 1 if you're around 193 cm or taller."
"I had a lanshan pro 2 and it was way too small, both hair and toes got soaked from condensation."
"Tigerwall tents will not work. ... I tried them and at 6'2" they were both too small."
incogmagnum 1.0I have both of these coincidentally. The plan was to take my Insulated on trips I’m packing light, and my Large S.I on trips where weight/size isn’t a factor. Both comfortable, but I personally enjoy the SI’s flat surface over the Insulated with their Air spring design. The SI has a R value of 4.1, and the insulated 4.0 so they’re basically the same for warmth. If size wasn’t a factor I’d go S.I if I had to choose one. Can’t go wrong with either one of these IMO
Exciting! I always imagined the SI would be easier to patch on the fly while camping. I also recommend one of the larger ones if you can, cuz It’s no fun having your arms fall to the ground if you’re a back sleeper. Happy camping!
isawfireanditwashot 1.0sea to summit has hybrid inflatable/foam pads. I have a comfort si that is around 4 r value.
RevQB 1.0I’ve slept on the Comfort Plus for a couple dozen nights and just picked up the Ether Light XT Extreme after having a couple nights of bad hip pain using the comfort plus. I haven’t slept on the Ether Light yet, but it seems to be much more comfortable for side sleepers like myself. I got the regular sized Ether Light XT Extreme and have the rectangular Comfort Plus. The Ether Light is a lot smaller when packed and I’m sure the non-extreme would be even smaller yet when packed. I also think the 3” thickness of the Comfort Plus is slightly exaggerated, seems to be less than that, but that’s anecdotal. The Ether Light is markedly thicker and fellow side sleepers seem to really enjoy it. I think both are pretty nice, but based on the necessity to sleep on your side and reduce packed size/weight, would recommend the Ether Light.
The Ether Light XT was very comfortable, would definitely recommend if you’re primarily a side sleeper. If not, and you will be primarily car camping, the Comfort Plus will do well. The Ether Light’s are not on sale anymore either which is a bit of a bummer.
Sebthebass914 1.0I had the Sea to Summit Comfort Plus SI Insulated for a while, though unfortunately, it did get punctured on my last trip. I am currently researching what to replace it with. My one qualm with the Sea to Summit was that it was relatively heavy, so I might switch it up, but I don't know if it's worth sacrificing the comfort for the weight. If I don't get the Comfort Plus again, I'll probably go with the Nemo Tensor All-Season Ultralight, which is supposed to be quite comfortable, but almost half the weight. My primary source for researching all of my backpacking gear is Outdoor Gear Lab. Their reviews and comparisons are very well done.
SelfNational1737 1.0We use fold up carton type mats as our base. Then in our tent we have Sea to Summit self-inflating bed rolls. Our kids have the same base and use Therm-o-rest self-inflating ground mats. We find as long as we stay on the self-inflating mats, we’re pretty comfortable. The ther-o-rests are almost 20 years old and still in great shape. We upgraded to Sea to Summit because they fold up so small for backpacking
Specific-Data-4104 1.0I have started using a Sea to Summit comfort plus si. It’s heavy for backpacking but I decided the weight penalty was worth it for better sleep. My inflatable pads all slept cold and were all noisy. It has been on closeout so likely still good deals can be had on it. (I used a coupon from REI for mine)
opossumEDCsurvival 0.7Sea to summit inflatable foam sleeping pad, believe me it's worth it, I won't waste my money on these
Alive_Control6885 0.4I’m a side sleeper as well and I stopped using my Nemo tensor so much because of the potato chip bag noise effects heh. This past winter, I’ve used the Sea to Summit comfort plus. It is easily the most comfortable pad I’ve ever used for side sleeping. And inflates and deflates easily. Highly recommend!
Apprehensive-Wave640 0.4I'm a big fan of the sea to summit pads. If I was buying now I'd buy the comfort plus. 6'5" 250ish side/stomach sleeper
DemaGomes 0.4I had the same challenge recently, as in buying my first pad. I went with Sea to Summit comfort plus in the end. Paid 70 quid with delivery. I tested it in a 2 day camp and was impressed by the quality and “warmth”. But it is to the heavy/bulky side.
I recently got a Sea to Summit comfort plus and used for the first time at 1 degree and I was nicely warm. I got it for around 70 quid. It is to the heavy side though and in the summer I intend to buy a light mat but for the price I was very impressed with the quality and warmth.
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