LOSTHORIZON Air & Foam Camping Mattress, Self-Inflating Sleeping Pad, 4.5" Thick, with Pump Sack, Full
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Extended holiday returns
Returnable until Jan 31, 2026 Learn more
Returnable until Jan 31, 2026 Learn more
This item's return window has been extended for the holiday season: Returnable until Jan 31, 2026
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
In Stock.
Arrives
Monday, Nov 17
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Size: Full
Style: Sleeping Pad
Features
- Superior Support and ComfortThis Sleeping Pad boasts a 4.5-inch thickness and 12-pound foam filling, delivering unparalleled support and comfort. With a weight capacity of up to 440 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 12-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.
- LOST HORIZON HIGHLY VALUES CONSUMER EXPERIENCEOur goal is to create high-quality professional outdoor products for outdoor adventurers, so we attach great importance to your experience and feelings. There is a 1-Year warranty with this product, so if you have any problems, please feel free to contact us and we will respond within 24 hours!
Size: Full
Special Feature: Inflatable,Self Inflating Sleeping Pad
Brand: LOSTHORIZON
Color: Brown
Product Dimensions: 80"L x 52"W x 4.5"Th
Specific Uses For Product: Bed, Sleeping Pad
Included Components: Carry Bag
Target Audience: Adult
Model Name: LH-DOUBLE
Capacity: 440 Pounds
Size: Full
Special Feature: Inflatable,Self Inflating Sleeping Pad
Brand: LOSTHORIZON
Color: Brown
Product Dimensions: 80"L x 52"W x 4.5"Th
Specific Uses For Product: Bed, Sleeping Pad
Included Components: Carry Bag
Target Audience: Adult
Model Name: LH-DOUBLE
Capacity: 440 Pounds
Product Care Instructions: Hand Wash Only
Number of Items: 1
Item Firmness Description: Adjustable
Item Thickness: 4.5 Inches
Manufacturer: Lost Horizon
Top Material Type: Foam
Item Weight: 16 pounds
Item model number: LHCM
Date First Available: April 10, 2022
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Monday, Nov 17
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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Top Amazon Reviews
Size: Single
Style: Sleeping Pad
Do yourself and your back a favor and get this pad! It is soo comfortable, easy to inflate high quality, and the twin is still nice and wide. Love that you can tightly roll it up and store it in the bag. My boyfriend got jealous and ended up having to buy one too after a few camping trips of me using it / raving about it. Would also work great in place of an air mattress if you need more space for guests.
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Reviewed in the United States on October 9, 2025 by Judith ann Snow Judith ann Snow
Size: Full
Style: Sleeping Pad
Best sleep I’ve ever had while camping. warm, firm, and stayed inflated throughout the night. Perfect for 2 people
Reviewed in the United States on October 27, 2025 by Laurel Merichko
Size: Twin
Style: Sleeping Pad
I have been sleeping on this now for 1.5 yrs as a full time rver, and it's one of the best things I have purchased! It is absolutely the most comfortable mattress and I get an amazing night's sleep. I like a firm, supportive mattress, so I top this with a 2" memory foam topper and it is perfect. I think it would be great for a glamping trip in a tent as well! The carrying case doubles as a manual pump and fairly easy to use. I would love to have a second one for outdoor use.
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Reviewed in the United States on August 26, 2025 by freebyrd73
Size: Full
Style: Sleeping Pad
Update. After my initial review the company reached out to me and offered a replacement. I’m still concerned it may leave me sleeping on the ground in a future camping trip, but I appreciate their great customer service, and it is a very comfortable and well made mattress. Comfortable, seemingly great quality, easy to inflate, easy to roll back up, and nice storage bag. But only made it through 2 trips before it wouldn’t hold air. The inner part of the valves tear up the membrane from inside and it leaks a lot around both valves now. Seems like it would be a great mattress if it never had to be rolled up again.
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Reviewed in the United States on July 12, 2025 by Bruce Wayne
Size: Single
Style: Sleeping Pad
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
Size: Single
Style: Sleeping Pad
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.