Sea To Summit - Comfort Plus Series
Models:
Comfort Plus SI Self-Inflating Foam Sleeping Pad
Comfort Plus Insulated Sleeping Mat
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Reddit Reviews:
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Based on 1 year's data from Feb 15, 2026 How it works
Liked most:
5
0
"It is a dual-chamber sleeping pad, so you can tune the bottom chamber to provide protection from the ground and top chamber to give you the right level of cushion. ... None of the other pads on the market can do this, including celebrated Therm-a-Rest and Exped offerings."
"The dual air chambers prevent you from bottoming out when side sleeping"
"and redundancy"
2
2
"I've had a sea & summit dual-chamber pad for 8 years or so, never had a leak ... We live in CO and go camping 8-10x a year, for 3 or 4 day weekends each time."
"impressed by the quality"
4
1
"used for the first time at 1 degree and I was nicely warm. ... very impressed with the quality and warmth."
"I got it for around 70 quid. ... for the price I was very impressed with the quality and warmth."
"impressed by the... “warmth”"
16
3
"It is easily the most comfortable pad I’ve ever used for side sleeping."
"That "air sprung cell" structure is pretty much the comfiest I've ever tested"
"The Sea to Summit mats are incredibly comfortable with 4-6inches of foam."
1
3
"not too heavy"
Disliked most:
2
3
"My one qualm with the Sea to Summit was that it was relatively heavy"
"But it is to the heavy/bulky side."
"It’s heavy for backpacking"
1
1
"My wife has S2S mattress - the one you are looking at or slightly colder and she likes to sleep warm. ... too close to the ground and it'll get cold in the middle of the night."
1
2
"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."
"it did get punctured on my last trip."
ActionHartlen 0.3The thermarest Neo air mats are lightweight and good quality, if a little pricey. MEC alternatives aren’t bad either. I prefer a foam/air mix pad and have been really happy with the one I have form Sea to Summit. If you want to be on the inexpensive side, look at Woods or Decathalon, but expect more weight.
Adventurous-feral 0.1Im a side sleeper. I have the XLite. Often feels like the baffles lack structure at the sides so in the mornings I'm fidgeting around feeling like im rolling off the mat. Not used a Tensor although I have heard it offers much better support for side sleepers. Also, the Xlite suffers from mould spots on what seems the outside. For comfort though, from all the mats ive laid on, sea to summit are the most comfortable
Alive_Control6885 0.7I’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 0.7I'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
asosaki 0.0When I did Baker I brought a closed cell pad (Nemo switch back) and an inflatable (Sea to summit) for comfort and redundancy. You'll be hard pressed to find a new bag that's also lightweight for $200. You'll probably need to see if you can find something used or I would recommend you see if you can rent one.
audiophile_lurker 1.0Sea-to-Summit Comfort Plus Insulated. It is a dual-chamber sleeping pad, so you can tune the bottom chamber to provide protection from the ground and top chamber to give you the right level of cushion. None of the other pads on the market can do this, including celebrated Therm-a-Rest and Exped offerings. Exped Megamat is still more comfortable, but it won't fit inside a kayak and weights a lot more. S2S Comfort Plus is the next best thing.
badi95 0.1Ended up getting a couple sea to summit mats on sale for $60.
beachbum818 0.1Big Agnes and sea to summit checks all your boxes. Small/compact, uses vertical baffles to prevent that bouncy castle feeling and provide actual support
BelethorsGeneralShit 0.1I use a Sea to Summit sleeping pad. It's only 1.5" thick, but it holds air so I still don't feel the ground regardless. It works perfect with folding rear side seat down in a Tesla Model Y
Bergeaux84 0.1Rapide sl is peak. My favorite pad. Ive got a sea so summit pad that i love too but can't remember the name of it. It has like a 7 or 8 r value tho.
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