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Availability:
In Stock.
Arrives
Tuesday, Sep 29
Color: Brown
Size: Twin
Style: Mattress Only
Features
- Superior Support and ComfortThis Sleeping Pad boasts a 4.5-inch thickness and 8.5-pound foam filling, delivering unparalleled support and comfort. With a weight capacity of up to 300 pounds, this sleeping pad accommodates a variety of body types. Its unique internal structure ensures even distribution of air and foam throughout the pad, effectively reducing pressure points and providing a good night's sleep. Please note that this pad is not recommended for backpacking.
- Adjustable SoftnessThis mattress utilizes a unique combination of foam and air, making it fully adjustable for personalized softness and support. This means you can easily adjust the pad's comfort to your liking, allowing for the best sleeping experience. Compared to single-material sponge or memory foam pads, this sleeping pad offers a higher level of personalization and comfort.
- Silent and Stable Support for Quality SleepThe mattress provides a stable sleeping surface with minimal noise, ensuring that your movements won't disturb your sleep or your partner's. Unlike other air mattresses that may make annoying squeaking or rubbing sounds, this unique combination of air and foam construction keeps you comfortable and quiet throughout the night.
- Easy Inflation and Challenging DeflationThe mattress is incredibly easy to inflate, just twist the valve, and you're good to go. However, because of its bulk and weight, deflating the pad may take some patience. To solve this problem, we offer an electric pump, which you can purchase separately. The pump can be used for both inflation and deflation, making the process quick and convenient. Please note that stowing the pad may take some time and effort, but the comfort it provides is worth it.
- Four-Season InsulationThis sleeping pad boasts an R-value of 13, offering exceptional insulation in cold environments and surpassing many other sleeping pads on the market. The 8.5-pound foam filling ensures comfort and appropriate insulation in various outdoor environments. Suitable for spring, summer, autumn, and winter, this sleeping pad provides a consistently comfortable sleep experience throughout the year.
Description
Model Y Model 3 RAV4 COT Slim Single At Lost Horizon, we design camping mattresses for dreamers and adventurers. Under the stars, we bring you the comfort of home, so your journey is filled with peace and tranquility. Model-Y/3/S | CyberTruck Fit 5-6ft truck bed、Tacoma 5-6ft Queen | Full | Single | Twin | Cot
Size: Twin
Special Feature: Adjustable, Air + Foam, Self Inflating
Brand: Lost Horizon
Color: Brown
Product Dimensions: 75"L x 38"W x 4.5"Th
Material: TPU Laminated Polyester Fabric, Solid Foam
Specific Uses For Product: Camping Mattress
Included Components: Carry Bag
Target Audience: Adult
Item Weight: 5.11 kg
Additional Features: Adjustable, Air + Foam, Self Inflating
Brand Name: Lost Horizon
Included Components: Carry Bag
Target Audience: Adult
Model Name: C0-BR-4.5
Number of Items: 1
Unit Count: 1 Count
Manufacturer: LOSTHORIZON
Shape: rectangular prism
Item Type Name: Air Mattress
Model Number: C0-BR-4.5
Manufacturer Part Number: T0-BR-4.5
Product Benefits: Provides adjustable firmness and superior support for comfortable sleep
Color: Brown
Size: Twin
Item Dimensions L x W x Thickness: 75"L x 38"W x 4.5"Th
Item Weight: 5.11 kg
Item Thickness: 4.5 inches
Item Dimensions: 74.8 x 37.8 x 4.33 inches
Specific Uses For Product: Camping Mattress
Capacity: 250 pounds
Weight Capacity Maximum: 300 pounds
Item Firmness Description: Adjustable
Water Resistance Level: Water Resistant
Construction Type: Air and Foam
Number of Layers: 2
Material Type: TPU Laminated Polyester Fabric, Solid Foam
Product Care Instructions: Wipe With Damp Cloth
Mattress Comfort Layer Material: Comfort Foam
Fill Material: Solid Foam
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Tuesday, Sep 29
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Similar Products
Top Amazon Reviews
Color: Brown
Size: Queen
Style: Mattress Only
The Lost Horizon Option3 Self-Inflating Foam Camping Mattress, Queen, 4.5" is a game changer for not just a good but great night sleep! I purchased two of these in the past (2 - Full size) and just purchased the Queen size last week. I have not had any issues with them! Great product that is worth your hard-earned money! Inflates and deflates in less than a minute with the Lost Horizon Air Pump! Material is super comfortable to sleep on, strong and abrasion resistance, and waterproof! I love how big the storage bag is so there's no frustration with storing the deflated mattress back into the bag. And the bag has two straps so carrying the bag on your shoulders or by hand is easy and does not put a strain on your back. I truly enjoy and love this product! I have used it for guest, me and my family in our home, backyard camping, and the great outdoors! You will not regret the purchase!
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Reviewed in the United States on July 26, 2026 by Customer
Color: Brown
Size: Cot
Style: Mattress Only
Super happy. Only. Even a day since it arrived but opened it up and tried it out. It will not be the same size in the collapses state when you get it, when you put it away but still fits easily back in its bag. I’m a little heavier of a guy around 250 lbs. I struggle with air mattresses because when you move it feels like you’re in a balloon. About halfway through the night you normally feel part of the ground. I was amazed that this hybrid style fixes those complaints. It’s very comfortable, doesn’t move air around when you move, and this cot version fits perfectly on my cot. Funny enough it’s more comfortable in the ground. The carry bag acts like a bellow to push a little more air in if you need it. I didn’t find that it was needed at alll but tried it anyway. Takes about half the bag of air and it’s completely full. Nice not worrying about an air pump or batteries. The top feels like a nice cloth and not plastic. I couldn’t recommend this enough. So glad I passed on a $350 mattress and got this instead. The wife tried it out. She wasn’t happy I got another mattress until she tried this. Now she wants more in other sizes. You can see in the photos how it fits on the cot. The ground view shows you how thick it is. That was also crazy. This is not thick at all. At 250lbs I can kneel on it and still not touch the floor. Save your money and get this one. You’ll be happier.
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Reviewed in the United States on July 9, 2026 by Suporn
Color: Brown
Size: Single
Style: Mattress Only
I have the smaller blue one (75" x 25" x 4.5") and my husband has this one in brown that's longer and wider. They are pretty heavy so definitely not for hikers, but we can move them the several feet from the car to a tent pad just fine. We've been popping them on top of the ($67 here on Amazon) ultralight Marchway camping cots and it results in an easy to use, very comfortable sleeping set up. I don't have as much room side-to-side, but it feels very similar to my nice bed at home. Now that we've traded in our 4 man dome tent for a taller 6 man tent, we might eventually go for taller cots, but as I read through the reviews, I'm really not sure the taller cots will be as comfortable and easy to set up as the ones we already have? (I would welcome more storage space underneath and something a little easier to sit on and get in and out of, however.) The R value on these pads is 13 and it has made a nice difference on cold nights when we're up in the mountains. The kids just use therma-rest type pads on their ultralight cots and they have mentioned being terribly cold on some of their overnights. We've been snug even down to near freezing temps when we're in our bags on these pads. They pretty much self inflate, but hubby has an easier time than I do deflating them by using his weight to push the air out as he rolls up the pad. We also have the Lost Horizon pump. It makes fast work of inflating and deflating the pads, but I'd say it's not totally necessary. They roll up well and fit into the included bags which have a nice roll-top design that seems to keep them secure from bugs, dirt, etc. If you camp as we do, where it's only a few feet from your vehicle to the tent, I highly, highly recommend these. We bought these two years ago and they've been wonderful for us!
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Reviewed in the United States on April 16, 2025 by Ann C.
Color: Brown
Size: Twin
Style: Mattress Only
I finally broke down and bought a foam camping mattress. I took it on a 3 night camping trip where it rained nearly 100% of the time and this did very well. I don't sleep well on normal air mattresses and decided I needed to change and I'm glad I did. Pros: - Sleep very comfortable - Kept me warm in nearly freezing temps - Self inflates but does need a tad bit more air. However, it worked well with no additional air. Cons: - Won't stay inflated, this is due to the valve type it uses. It doesn't seat correctly and bleeds air around the ring if not centered correctly - A royal pain to try to get the air out and rolled up if you don't deflate it first. You need a pump that has enough power to overcome the foam pressure. Mine does not. - Does not use a standard pump fitting size. I was sort of able to make it work with my pump but was too weak anyway but did eventually evacuate enough air. IMO, so far, the Pros far outway the cons and I think this type of air/foam mattress will have these types of complications anyway. For the price I paid I think it's great.
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Reviewed in the United States on April 13, 2026 by Joey
Color: Brown
Size: Single
Style: Mattress Only
The thing I hate about all these self inflating mattresses is that nobody does a good job of describing exactly what they feel like, and because of that I didn't want to spend half my paycheck on more expensive options. Well I'm going to try to tell you what they are like. First, the foam on the inside is not super dense. Its really just there to help give it some structure for inflation. If you're using it with a cot and it deflates there is enough foam that you're not gonna be totally uncomfortable, but you wouldn't ever purposely run this pad without it being inflated and if you're on the ground and it deflates you'll be sorry it did.. Now there seems to be two mechanisms that make this comfortable. 1. Is that the main fabric body of the pad is much stretchier than your typical backpacking inflatable pad. That coupled with the interior foam structure gives it a nice plush bouncy feel that countours better to your body. 2. There is a thin layer of egg carton memory foam sandwiched between two layers on the top (also I think this is the mistake the other video reviewer left about it "leaking everywhere" I'm betting that top layer of fabric is not part of the sealed air compartment, giving it more comfort and he's just seeing air bubble up from the foam) I've tried almost every sleeping pad you can think of for elk camp. Many major brand backpacking pads. Those 3" memory foam pads you can find here on Amazon. Paco pads. This is the first time I've used one of these style pads, most of them are just too expensive to justify rolling the dice on without knowing how comfortable they are. Out of everything I've tried this is the most comfortable. Not quite as comfy as the bed at home, but you're not going to get much closer. Also inflation is a breeze even without the electric pump. Most people I see reviewing this brand on YouTube seem not to have ever used this style of bag pump. The trick is to blow into it from a few feet away. Lots of air will rush into it filling it up all the way, only needing 3-4 pumps to fill it up. (The Nemo pads use a similar system and have videos on how to do this). Deflation is actually easier than most people make it out to be, some minor effort and its back to its factory size roll. but I have the single, I'm sure larger sizes are a pain though. My sleeping bag did not make a lot of noise with the fabric, however the bottom of the pad rubbing up against my taught cot fabric did make noise, still not as bad as the plastic bag sound of most sleeping pads. Ive only used it for one night, but I'll be putting a full 7 nights on it in a couple of weeks. If I haven't updated since then you can bet it held up and lasted well. Very happy with the value for the money.
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Reviewed in the United States on October 24, 2025 by mike
Color: Brown
Size: Cot
Style: Mattress Only
Perfect for car camping. The cheap Walmart air mattress I kept in the back of my Grand Cherokee for years finally needed replacing. I’ve used this several times and aside from alarm anxiety slept wonderfully. I won’t speak to the texture of the fabric as I’ve learned to use a fitted sheet as well but the foam and bed itself is super comfortable as well as thin enough that I can still sit up in the back of a Grand Cherokee with the seats folded down without hitting my head on the roof (which was a past problem I learned with the thicker air mattresses). Definitely recommend. I also can’t speak to the system of using the bag as the pump as I use a small hand held pump but realistically it would probably work well. It doesn’t take a lot of air and I found myself releasing most of what the pump put in as it made it too firm.
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Reviewed in the United States on July 17, 2026 by Brad Braswell
Color: Brown
Size: Single
Style: Mattress Only
I bought 2 of these (well 3, but that’s a later story) for a glamping trip. I hate air mattresses with a passion, but like to have a higher bed, and my husband convinced me to get these despite me thinking I wanted to do it cheaper. I am so glad I did! We put them on our single cots side by side and had the best nights sleep. Which, btw couples, this is the way to go so you can be close but not disturbed if one person moves a lot throughout the night. I didn’t love the manual inflating or deflating process but with a pump I’m sure it’s great. With this setup there was no freezing-yet sweating feeling like traditional air mattresses because of the foam. We thought it deflated a bit the first night but I think it was just because it was cold, because the pressure didn’t budge at alol after adding more air the second night. I’m a side and stomach sleeper and usually have a lot pain in my hip, but this was SO COMFY! This was in my top 3 glamping purchases recently. My dog really liked it, too. So, if you’re still reading- the reason I bought 3 is because my kitten decided to bite through one of them before I even before I even took it out of its wrapping. He’s such a jerk! I emailed customer support to see if it was salvageable and they suggested I get some of the patches they sell specifically for this. I did and it seems to be holding steady. I did not take that one on this trip because the patches arrived too late, but if it holds I’m not mad about having this for guests. Adding a pic of the art and the artist for your enjoyment and his shaming.
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Reviewed in the United States on February 15, 2026 by DerpyDoda
Color: Brown
Size: Single
Style: Mattress Only
I have a lot of time and experience outdoors from backpacking using minimal or no sleeping pad depending on the terrain and weather to trying a bunch of different name brands (Nemo, REI, etc). This definitely is not for back packing. It is for car camping, meaning drive to the spot and maybe hike a quarter mile at most, my campsite this weekend was 100 feet from my car. Having said that, it is quite big and has a bit of weight but not horrible. I opted for the manual inflation/deflation but may opt for the pump down the road. Inflation was a breeze with the bag provided, took maybe 2 minutes. I tried the self inflation mode but got impatient after finishing up setting up most of camp 15 minutes later. I will say the self inflation mode will work much better the second time you use it. Comfort was amazing. I can honestly say I slept almost as good as I do in my own bed. Normally after a camping trip I'm so exhausted from poor sleep the I need a day to recover, not the case this time. Deflation and storage- definitely takes a bit more effort than I had anticipated but not horrible. I did a tri-fold opened the valve got a lot of air out put the valve on deflate mode then squished out as much air as I could, rolled it up rinse and repeat about 3 times. (this is why I am thinking of getting the pump at some point. I had a big double from another camping company and put this up there with comfort, higher in set up. I really didn't want to spend $300-500 so when I read the reviews on this one I decided to give it a try and I was impressed and very satisfied with my purchase and the price. I highly recommend this for comfort camping, very wide, very long, and super comfy. I bought a second for my son. Almost 3 years later lots of camping with these. One no longer holds air. Dish soap spray test revealed it’s the entire cloth part no fixing it. The other one is still working. I am changing to 4 stars. Nothing lasts forever but why did it have a massive failure and not sure you can do anything to fix it
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Reviewed in the United States on October 16, 2023 by Ray Rickstrew