---
product_id: 518579221
title: "Lost Horizon Air & Foam Camping Mattress, Self-Inflating Sleeping Pad, 4.5\" Thick, with Pump Sack, Twin"
brand: "lost horizon"
price: "$550.24"
currency: USD
in_stock: true
reviews_count: 13
category: "Lost Horizon"
url: https://www.desertcart.us/products/518579221-lost-horizon-air-and-foam-camping-mattress-self-inflating-sleeping
store_origin: US
region: United States of America
---

# 8.5 lbs premium foam fill R-value 13 four-season insulation 4.5-inch plush thickness Lost Horizon Air & Foam Camping Mattress, Self-Inflating Sleeping Pad, 4.5" Thick, with Pump Sack, Twin

**Brand:** lost horizon
**Price:** $550.24
**Availability:** ✅ In Stock

## Summary

> 🛌 Elevate your outdoor sleep game—comfort that keeps you ahead of the pack!

## Quick Answers

- **What is this?** Lost Horizon Air & Foam Camping Mattress, Self-Inflating Sleeping Pad, 4.5" Thick, with Pump Sack, Twin by lost horizon
- **How much does it cost?** $550.24 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/518579221-lost-horizon-air-and-foam-camping-mattress-self-inflating-sleeping)

## Best For

- lost horizon enthusiasts

## Why This Product

- Trusted lost horizon brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Setup:** Self-inflates quickly with a twist valve and pump sack—glamping comfort without the hassle.
- • **Silent Stability:** Move freely without squeaks or rustles; enjoy undisturbed sleep alongside your partner.
- • **Cloud-Like Comfort:** Experience 4.5 inches of plush foam and air combo that cushions every contour for unparalleled rest.
- • **Tailored Sleep Support:** Adjust firmness effortlessly to your personal preference—because one size never fits all.
- • **Year-Round Adventure Ready:** With an industry-leading R-value of 13, stay cozy from spring chills to winter frost.

## Overview

The LOSTHORIZON Air & Foam Camping Mattress is a 4.5-inch thick, self-inflating sleeping pad combining 8.5 pounds of foam with air for superior comfort and support. Designed to hold up to 300 pounds, it features adjustable firmness, silent stability, and an exceptional R-value of 13 for four-season insulation. Ideal for car camping and glamping, it includes a pump sack for easy inflation and comes with a 1-year warranty, making it a top-tier choice for millennial adventurers seeking premium rest in the wild.

## Description

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. Tesla-Tailored Model-Y/3/S | CyberTruck Tesla-Tailored Model-Y/3/S | CyberTruck Model-Y/3/S, CyberTruck Visit the Store Model-Y/3/S, CyberTruck Visit the Store Truck Bed-Tailored Fit 5-6ft truck bed、Tacoma 5-6ft Truck Bed-Tailored Fit 5-6ft truck bed、Tacoma 5-6ft Fit Most Truck Bed Visit the Store Fit Most Truck Bed Universal Comfort Queen | Full | Single | Twin | Cot Universal Comfort Queen | Full | Single | Twin | Cot Comfort First Choice Visit the Store Comfort First Choice

Review: Great for humans and dogs, not cats - 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.
Review: Super comfy, high value for the money. - 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 desertcart. 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.

## Features

- 【Superior Support and Comfort】This 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 Softness】This 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 Sleep】The 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 Deflation】The 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 Insulation】This 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.
- 【LOST HORIZON HIGHLY VALUES CONSUMER EXPERIENCE】Our 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!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BGQ8LRTL |
| Additional Features | Adjustable Firmness, Air + Foam, Self Inflating |
| Best Sellers Rank | #2,231 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #6 in Self-Inflating Sleeping Mats for Camping |
| Brand | Lost Horizon |
| Brand Name | Lost Horizon |
| Capacity | 250 Pounds |
| Color | Brown |
| Customer Reviews | 4.4 out of 5 stars 1,023 Reviews |
| Included Components | Carry Bag |
| Item Dimensions | 74.8 x 37.8 x 4.33 inches |
| Item Dimensions L x W x Thickness | 75"L x 38"W x 4.5"Th |
| Item Firmness Description | Adjustable |
| Item Thickness | 4.5 Inches |
| Item Type Name | Air Mattress |
| Item Weight | 12 Pounds |
| Manufacturer | LOSTHORIZON |
| Manufacturer Part Number | T0-BR-4.5 |
| Material | Foam |
| Material Type | Foam |
| Model Name | C0-BR-4.5 |
| Model Number | C0-BR-4.5 |
| Number of Items | 1 |
| Portable | Yes |
| Product Care Instructions | Wipe With Damp Cloth |
| Product Dimensions | 75"L x 38"W x 4.5"Th |
| Size | Twin |
| Special Feature | Adjustable Firmness, Air + Foam, Self Inflating |
| Specific Uses For Product | Sleeping Pad |
| Target Audience | Adult |
| Water Resistance Level | Water Resistant |
| Weight Capacity Maximum | 300 Pounds |

## Product Details

- **Brand:** Lost Horizon
- **Color:** Brown
- **Included Components:** Carry Bag
- **Item Weight:** 12 Pounds
- **Material:** Foam
- **Product Dimensions:** 75"L x 38"W x 4.5"Th
- **Size:** Twin
- **Special Feature:** Adjustable, Inflatable
- **Specific Uses For Product:** Sleeping Pad
- **Target Audience:** Adult

## Images

![Lost Horizon Air & Foam Camping Mattress, Self-Inflating Sleeping Pad, 4.5" Thick, with Pump Sack, Twin - Image 1](https://m.media-amazon.com/images/I/71oj2SA2isL.jpg)
![Lost Horizon Air & Foam Camping Mattress, Self-Inflating Sleeping Pad, 4.5" Thick, with Pump Sack, Twin - Image 2](https://m.media-amazon.com/images/I/81PpNwxqJkL.jpg)
![Lost Horizon Air & Foam Camping Mattress, Self-Inflating Sleeping Pad, 4.5" Thick, with Pump Sack, Twin - Image 3](https://m.media-amazon.com/images/I/81gl+kRXXLL.jpg)
![Lost Horizon Air & Foam Camping Mattress, Self-Inflating Sleeping Pad, 4.5" Thick, with Pump Sack, Twin - Image 4](https://m.media-amazon.com/images/I/81Y63gsyUwL.jpg)
![Lost Horizon Air & Foam Camping Mattress, Self-Inflating Sleeping Pad, 4.5" Thick, with Pump Sack, Twin - Image 5](https://m.media-amazon.com/images/I/81xLUKBaI2L.jpg)

## Available Options

This product comes in different **Color, Size, Style** options.

## Questions & Answers

**Q: Hi - what's the pad made of - pvc, tpu, other? also, what's the warrantee?**
A: Hi,
Thank you for your inquiry about the LH AirSoft Mattress.
The cotton inside this mattress is 100% POLYURETHANE FOAM.
The surface fabric is 100% POLYESTER.
The warranty period is one year.
We hope that you find this information helpful.
If you have any issues, please feel free to contact us.
Have a good day!
Best wishes,
Lost Horizon Customer Service

**Q: I followed directions to deflate and it took 45 minutes and a lot of work! Is there an easier way????**
A: The Lost Horizon Portable Air Pump does an excellent job of deflating the Air Soft air mattress (also can inflate it) in short order. The pump really should be made available as part of the air mattress purchase.

**Q: Will be able to fit coleman skydom 4 person?**
A: You will have to measure. If it’s off by two inches or so it’s fine they expand when aired up fully about and inche or two

**Q: Will the double fit two people?**
A: It will fit two thin people but honestly not very comfortably. I’m 5,7 and consider myself to be thin and have slept with my 1 y/o and with my 4 y/o on separate nights and with my 4 y/o it was hard to get comfortable especially because he also moves around a lot when he sleeps

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great for humans and dogs, not cats
*by D***A on February 15, 2026*

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.

### ⭐⭐⭐⭐⭐ Super comfy, high value for the money.
*by M***E on October 24, 2025*

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.

### ⭐⭐⭐⭐⭐ Just what I wanted, but kind of wish I had gotten the double now.
*by R***W on October 16, 2023*

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.

## Frequently Bought Together

- LOSTHORIZON Air & Foam Camping Mattress, Self-Inflating Sleeping Pad, 4.5" Thick, with Pump Sack, Twin
- Teton Mammoth Queen Size Double Sleeping Bag- A Warm Bag The Whole Family can Enjoy – Great for Camping, Hunting and Base Camp. Compression Sack Included
- Amazon Basics Waterproof Camping Tarp, 8 Feet x 10 Feet, Dark Green

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-15*