Sea to Summit  Comfort Light SI Sleeping Pad

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Hitting that sweet spot of minimal weight and packed size without losing comfort, the Sea To Summit Comfort Light SI sleeping pad keeps you protected from any ground that's less than perfect.

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Features

  • Delta core technology removes 40% of the initial volume of the foam core for minimal packed weight and size
  • Delta core technology keeps the bottom surface of the polyurethane foam completely intact which ensures consistent warmth along the full length of the mattress
  • Polyurethane foam is thicker on top of core for better insulation directly under you
  • One-way inflation valve can be reversed and used to prevent air from being drawn back in, allowing you to roll the mat without fighting re-inflation as you go

Imported.

View the Sea to Summit Comfort Product LineView all Sea to Summit Self-inflating Pads

Technical Specs

Best Use

Backpacking

Sleeping Pad Type

Self-inflating

Sleeping Pad Shape

Semirectangular

Insulation Type

Open-cell Foam

R-Value

3.1

Stuff Sack Included

Yes

Sleeping Capacity

1-person

Pad Thickness (in.)

2 inches

Gender

Unisex

Reviews
70 reviews with an average rating of 4.0 out of 5 stars

Ratings Snapshot

Product Rating

29 out of 40 (73%) reviewers recommend this product

Review this Product

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Average Customer Ratings

Product Weight

LightweightHeavy

Ease of Use

Difficult to useVery easy to use

Most Helpful Favorable Review

5 reviews with an average rating of 5.0 out of 5 stars
Amazing
cmvesely
8 years ago
This pad kept us warm and comfortable while in 30 degeee (windy and rainy!) camping weather.
cmvesely
Denver, CO, United States
12 people found this review helpful

Most Helpful Critical Review

5 reviews with an average rating of 3.0 out of 5 stars
Pad is comfortable but putting away sucks
CCMF
5 years ago
Pad is quite comfortable but definitely doesn’t self inflate. The one thing that stands out to me though is how difficult it is to put it away. It’s a VERY small tight bag that required 2 grown adults to stuff it back in.
CCMF
9 people found this review helpful
Carey
Colorado
Rated 5.0 out of 5 stars

So far, a great sleeping pad

7 years ago

I admit I’ve only used this sleeping pad once so far, for a two day backpacking trip. It was definitely a bit heavier than the standard backpacking sleeping pad, but it was still quite light. The pad also allows you to switch between inflate and deflate, which helps to pack it up quite small again. It was reallllly comfortable. I got it as a short backpacking/car camping mat and it’s perfect for that. I’m 5’1” and relatively slight, and I fit fine on the regular size mat. Tall folks or wide folks might want the larger mat unless you don’t mind your feet falling off the end. I can’t say how puncture proof it is though, since I’ve only used it once!

Yes , I recommend this product
Helpful?
dock
Tacoma, WA
Rated 4.0 out of 5 stars

High quality, excellent introductory sleeping pad

2 years ago

This is a great pad for people getting into backpacking but also wanting something they can use for car camping as well and aren't ready to commit to a fully inflatable pad. Its durable, comfortable and intuitive to inflate, self inflating feature is nice since you only need a few breaths to inflate fully after it's done it's thing My only issues are that it is on the heavier side (all self inflating pads are heavier than purely inflatable pads because of the foam) and its difficult, but not impossible, to roll it up tight enough to fit it back into the included stuff sack when breaking camp.

Age:25–34
Weight:175–200 lbs.
Height:6'0"

Ease of Use

Difficult to useVery easy to use

Product Weight

LightweightHeavy
Helpful?
barbaroja
Philadelphia, PA
Rated 5.0 out of 5 stars

Quiet, firm and light

4 years ago

I have tried many different pads and wish I had bought this a long time a go. Had an older rei rail pad and it was fine, but I could never sleep through the night. This one is good for side sleeper as well as sleeping on your back. I tried the Nemo tensor and the S2S comfort light insulated, but I found them to be too noisy. This one is silent. I have slept through night each time. I saw other reviews that mention rolling it up was hard. You need to roll it once to get the air out and then a second time, but it was really quick and easy. Hands down the best sleeping I've owned!

Age:35–44
Weight:150–175 lbs.
Height:5'8"
Yes , I recommend this product

Ease of Use

Difficult to useVery easy to use

Product Weight

LightweightHeavy
Helpful?
VA Hiker
Arlington, VA
Rated 5.0 out of 5 stars

Comfy and Convenient

7 years ago

I purchased this sleeping pad for a trip to the bottom of the Grand Canyon. My wife tested many pads in store and found this to be the most comfortable. The self inflation is great to just throw it in the tent and blow about 3 breaths into it before you go to bed. It also takes very little space in a pack once it is rolled up and put into it included ditty sac.

Yes , I recommend this product
Helpful?
JackJack
California
Rated 5.0 out of 5 stars

Worth it

5 years ago

This is a great pad that does everything I need it to and is super comfortable. The auto inflate feature works pretty well/quickly, but I usually add 3-4 breaths to get it to the firmness I like. Once inflated though it doesn't deflate at all. I'm a side sleeper and the thickness is perfect too(no hips poking the ground). The pad also has these rubberized portions to help keep you from sliding off. However, as others have mentioned the pad is a major PITA to pack away, but it's the only inconvenience So far have the lowest temp I've used it is the low 20s.

Age:25–34
Weight:150–175 lbs.
Height:6'0"
Yes , I recommend this product

Ease of Use

Difficult to useVery easy to use

Product Weight

LightweightHeavy
Helpful?
Aure S
Long Beach, CA
Rated 3.0 out of 5 stars

Not much support for the weight, which is heavier!

2 years ago

I hate to be the "gram counter" but as others have noted, the Large is not a 28 oz pad, but a 34.5 oz pad—significantly heavier than advertised and over two pounds. For the weight it just doesn't feel as comfy, stable, or luxurious as the Comfort Plus SI. If you're going to splurge on comfort, you might as well step up to the Comfort Plus SI (~43 oz). Or if weight is more important, go with an Ether Light XT/Air (23 oz / 18 oz respectively). The Comfort Light SE kind of fits between these two tiers in weight. Although I'd go for the thicker Ether Light if you're a side sleeper, even though it's an air pad rather than an air & foam hybrid, just because you'll be bottoming out in this pad, since it's just 2", regardless of its materials.

Age:35–44
Weight:175–200 lbs.
Height:6'2"
No, I do not recommend this product

Ease of Use

Difficult to useVery easy to use

Product Weight

LightweightHeavy
Helpful?
Anonymous
Alaska
Rated 5.0 out of 5 stars

Comfortable, quiet, compact, durable, warm

2 years ago

My beloved Comfort Light SI sleeping pad suddenly sprang three irrepairable leaks after at least 160 nights of use (one leak is at the margin of the valve, two are in the edge/seam of the mattress near the valve). That's a good run compared to other pads I have used (comparable to the original Thermarest, better than the ultralight Thermarest, far superior to the Big Agness air mattress I enjoyed for less than a week). Based on a friend's experience, I expect Sea To Summit to replace the pad under their lifetime warranty. I never had a leak prior to these. I find the 2" thickness very comfortable and warm (I've used it in temperatures down to about 15 degrees F). The material is very quiet. The reversible one-way valve is genius. This isn't the lightest pad, but I find the reliability and comfort worth it even for backpacking (I used it mostly for sea kayaking).

Helpful?
Jesse
Santa Fe
Rated 4.0 out of 5 stars

Super Comfy

6 years ago

Tried all the pads at REI and for a side sleeper who likes to go from one side to the other this pad has the most support. Some other pads way more expensive, my side hit the ground. Was recently in the Santa Fe mountains with temps dropping in the 40s and it kept the cold ground from chilling my bones.

Yes , I recommend this product
Helpful?
ToninthePickUpCamper
Ocoee, FL
Rated 5.0 out of 5 stars

Sleeps great, mitigates debris and roots

6 years ago

I was a little tepid about the price, but it was worth it. The pad is light, fits in a confined space, and most importantly works; I was set to sleep in a rooted area and did not feel it at all. Easy to unroll, easy to inflate if you follow the instructions to leave it out a day before your hike / camping trip, and easy to put away. Do not hesitate in purchasing this.

Yes , I recommend this product
Helpful?
Rob105
Ann Arbor
Rated 3.0 out of 5 stars

Best sleeping pad I could find, but the sack sucks

4 years ago

I tried about four other options including the 3 inch Comfort Plus version of this pad, but favor this one in long for me (6'0", 170 lbs.). 2 inches seems to be the sweet spot for my needs and comfort and the Comfort Plus was also a bit larger. My only frustration is that they use a stuff sack which is WAY to small for either of these pads. Ridiculous! The marketing or product managers at Sea to Summit should be forced to make a video trying to fold and return one of these pads to the stuff sack provided because it is nearly impossible to do so and then it's so tight it's a pain to get out again. For the price we pay for this brand and quality, they were shortsighted on this important detail. For car camping this isn't a big deal, but for backpackers it could be a deal breaker. Too bad because it appears to be a common complaint. Two stars taken off for this design flaw and the silly stuff sack. Com'on Sea to Summit!

Age:45–54
Weight:150–175 lbs.
Height:6'0"
Yes , I recommend this product

Ease of Use

Difficult to useVery easy to use

Product Weight

LightweightHeavy
Helpful?
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