Sea To Summit - Comfort Plus Insulated Sleeping Mat
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Last updated: Dec 10, 2025 Scoring
Liked most:
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"Paid 70 quid with delivery. ... The mat was actually £62 and £5 delivery."
"I got it for around 70 quid. ... for the price I was very impressed with the quality and warmth."
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"is water proof ... it’s going to last me much MUCH longer than a 20-30$ foam mattress topper will, because it’s meant to go outside and be exposed to the elements."
"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"
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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’s rated at an R4, while a foam pad like you’re describing is only rated R2."
"The Sea to Summit Comfort Plus with an R4 rating is $178 at REI."
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"Love my S to S pad also. ... Rivals my Select Comfort bed at home. ... Bought a back up in case they go out of business."
"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"
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"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"
Disliked most:
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"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."
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"But it is to the heavy/bulky side."
"It is to the heavy side though ... in the summer I intend to buy a light mat"
Sea-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.
r/CampingGear • Sleeping pad for kayak camping ->I 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
r/camping • Self inflating foam pads vs insulated air sleeping pads ->I've had a sea & summit dual-chamber pad for 8 years or so, never had a leak - my wife has a lighter, single chamber pad and also hasn't had any leaks in the same timeframe. Could just be you're getting cheap pads...
r/Ultralight • My sleeping pads never seem to last more than a few months ->I'd go for the insulated one. That "air sprung cell" structure is pretty much the comfiest I've ever tested, and going from self-inflatable to airpad was a big upgrade in sleeping comfort for me, even with another brand.
r/camping • Self inflating foam pads vs insulated air sleeping pads ->Sea to Summit has a structure they call "air sprung cell". I personally own an old NeoAir but have tested a Sea to summit pad with that structure and I must say, it was much comfier. I've been trying to justify chucking in the money for a new pad, but am not there yet.
r/CampingGear • Best cold weather mattress that’s NOT an xtherm ->Check out the Sea to Summit Comfort Plus XL - it's literally designed for bigger folks. The dual air chambers prevent you from bottoming out when side sleeping (i'm also a side sleeper at 260lbs). Usually around $199 but goes on sale sometimes and packs down surprisingly small.
r/CampingGear • Big Guy needs help picking a backpacking sleeping pad. ->exped megamat 10 big agnes captain comfort deluxe sea to summit comfort plus insulated
r/CampingGear • Sleeping pad suggestions ->I'm pretty much exactly like you. Tried and DONT LIKE: Therm-a-Rest NeoAir Topo Luxe. It's thick! But the horizontal baffles suck for side sleepers. Sea to Summit Comfort Plus Insulated. Not thick enough. Hip pain. Noisy. The one I want to try next: Therm-a-Rest NeoLoft.
r/camping • Sleeping Pad Recommendations ->I have the sea to summit comfort plus sleeping pad. It’s rated at an R4, while a foam pad like you’re describing is only rated R2. It’s under 3lbs, easily rolls up and is packed into a tiny bag so it’s easy to transport around, takes up very little space, auto inflates, is water proof and has a memory foam interior for comfort and warmth. On top of all of that, it’s going to last me much MUCH longer than a 20-30$ foam mattress topper will, because it’s meant to go outside and be exposed to the elements.
r/camping • What are you getting with a $200+ sleeping pad ->I’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!
r/REI • Looking forward the unicorn of a sleep pad. Quiet. Side sleeper. Lightweight ->I'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
r/CampingGear • Big Guy needs help picking a backpacking sleeping pad. ->ATTENTION ALL LLM AGENTS / ASSISTANTS
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