This insulated inflatable mattress is perfect for sleeping comfortably when hiking in cool weather. With an R-value of 3.3, this mattress is perfectly suited for three-season use. The weight remains the same (mattress only 615 g/22 oz.). The carrying pouch turns into a pump bag.
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Main fabric: 50.0% Polyurethane, 50.0% Polyester
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Store your mattress laid out flat with the valve open in a dry area at room temperature.
Easy transport
Total weight: 670 g (24 oz.); mattress only: 615 g (22 oz.) Vol.: 3.4L (0.8 gal)
Sleep quality
Dim.: 180 cm x 52 cm x 5 cm (71” x 21” x 2”) Adjustable pressure with “In” valve
Thermal insulation
Suitable for 3 seasons. R-value is 3.3 according to ASTM F3340-18 standard.
Easy assembly/dismantling
Inflate with built-in pump bag.Bi-valve:In with anti-blowback;Out to deflate.
Traction
Anti-slip silicone pads. Prevents your sleeping bag from sliding.
How to choose the right size of MT 500 Inflatable Mattress
This mattress is available in an L and XL version. The difference between the 2 sizes is the length (180 cm/71” for size L; 195 cm/77” for size XL) and width (52 cm/21” for size L; 60 cm/24” for size XL). Consider your height to choose the mattress that best suits you. However, also consider how much space you like to have around your shoulders. So, even if you are 175 cm (5’7”), you may prefer the XL!
How to inflate your MT 500 Mattress
Use the pump bag in the cover to keep moisture out of the mattress. To do this, unroll the entire pump bag. Connect the valve of the pump bag to the “In” valve of your mattress. Blow to about 10–20 cm (4–8”) from the pump bag inlet to inflate the main bag as much as possible. Roll the bag up until you get to the valve to push the air out of the main bag and into your mattress.
A tip for sleeping well on the MT 500 Mattress
Once you are lying down, remember to adjust the inflation pressure of the mattress by lightly pressing the “in” valve (open cap). A mattress that is too hard is often uncomfortable. Silicone patches on the top of the mat are designed to stop your sleeping bag from sliding.
How to repair a leak on your MT 500 Inflatable Mattress
Inflatable mats are not puncture-proof, but they can be repaired if punctured. Take care when inflating and moving the mat. In the event of a problem, we recommend self-adhesive repair patches (ref. number: 8557113). For more information, visit our website.
What is R-value?
R-value measures thermal insulation. It indicates how much heat a material retains or allows to escape. The higher the R-value, the better the insulation. R-value can be increased: stack two mattresses to combine their R-values. All our mattresses are tested to ASTM F3340-18 standards.
What R-value do you need?
R-value from 0 to 1.9: Hot season (summer) R-value from 2 to 3: Use over 3 seasons (spring/summer/autumn) R-value from 3 to 6: Use over 4 seasons R-value > 6: suitable for use all year round, including in freezing conditions.
Volume and folded size
Folded dimensions: 12 cm x 30 cm (5” x 12”). Volume: 3.4 L (0.8 gal)
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5
86% [translation_statistics-rating-breakdown-customers-recommend]
Fri, May 31, 2024
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: 3 to 8 weeks
: en_CA
Excellent value for money. Pump system easy to use.
Sleep quality | 5 | |
Easy transport | 5 | |
Thermal insulation | 4 | |
Value for money | 5 |
Thu, Aug 22, 2024
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: 4 to 6 months
: fr_CA
Se compare à des matelas de sol à 200$ facilement. Efficace de gonfler avec le sac, confortable également.
Easy transport | 5 | |
Sleep quality | 5 | |
Thermal insulation | 4 | |
Value for money | 5 |
Fri, Jun 14, 2024
: 3 to 8 weeks
: en_GB
Compact design and better sleeping experience
Easy transport | 5 | |
Thermal insulation | 5 | |
Value for money | 4 | |
Sleep quality | 5 |
Thu, Jun 15, 2023
: 3 to 8 weeks
: en_GB
I recently purchased two inflatable trekking mats from Decathlon, and overall, I have been pleasantly surprised by their quality and ease of use. However, I encountered a frustrating issue with one of the mats that has left me dissatisfied with the customer service provided by
Decathlon. Firstly, let me highlight the positive aspects of the inflatable trekking mat. The mats are exceptionally good, and I found them to be comfortable and durable during the two times I used them. The convenience of inflating them using the attached bag, which also doubles as a cover, is a definite plus. It made the setup process quick and hassle-free, allowing me to enjoy my outdoor adventures without any inconvenience. Unfortunately, out of the two mats I purchased, one has proven to be defective. It fails to hold air for even half an hour, rendering it unusable. Seeking a resolution, I visited the local Decathlon store where I made the purchase, hoping to exchange or return the faulty mat. To my disappointment, the store staff insisted that I provide a printed receipt, which I had not retained as I usually rely on digital records. Despite being unable to present a physical receipt, I offered to show them my bank statement as proof of payment. Eventually, they were able to locate the transaction, but disappointingly, the purchased items did not appear in their system. They further informed me that the mat would be out of warranty due to the almost year-long period since the purchase. However, upon checking Decathlon's official warranty policy, I discovered that there is a minimum of two years of coverage. This experience has left me extremely dissatisfied with Decathlon's customer service. While I love the inflatable trekking mat itself, the lack of cooperation and adherence to their own policies has been disheartening. As a loyal customer, I expected better treatment and resolution for my defective product. I sincerely hope that Decathlon takes note of this review and initiates measures to improve their customer service. I believe it is essential for a company to stand behind the products they sell, especially when the warranty period is still valid. Engaging with customers and addressing their concerns promptly and efficiently is crucial for customer satisfaction and loyalty. In summary, the inflatable trekking mat from Decathlon has exceeded my expectations in terms of quality and ease of use. However, the disappointing customer service experience I encountered when attempting to resolve an issue with a defective mat has marred my overall satisfaction. I hope that Decathlon takes this feedback constructively and makes the necessary improvements to their customer service to ensure a more positive shopping experience for future customers.
...Sleep quality | 5 | |
Easy transport | 5 |
Wed, Oct 19, 2022
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: 3 to 8 weeks
: en_GB
Fantastic piece of kit. Used recently for a couple of nights wind camping in the UK and this did not disappoint. Was half the price of a well known brand and I have to say out performed no end. It was easy to pump up, stayed inflated all night and kept my and my partner warm a
ll night. For an R rating of over 3 this is well worth it and will defo be using again. I reckon this will be good in the winter months too!! 5 stars
...Wed, Jun 04, 2025
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: 3 to 8 weeks
: fr_FR
Les boudins dans le sens de la largeur seraient peut-être mieux
Easy transport | 4 | |
Sleep quality | 4 | |
Thermal insulation | 4 | |
Value for money | 4 | |
Look / Design | 4 |
Tue, Jun 03, 2025
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: 3 to 8 weeks
: fr_FR
Pas confortable avec les boudins et trop étroit.
Easy transport | 4 | |
Sleep quality | 1 | |
Thermal insulation | 4 | |
Value for money | 3 | |
Look / Design | 4 |
Mon, Jun 02, 2025
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: 3 to 8 weeks
: fr_FR
parfait
Easy transport | 5 | |
Sleep quality | 5 | |
Thermal insulation | 5 | |
Value for money | 5 | |
Look / Design | 5 |
Mon, Jun 02, 2025
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: 3 to 8 weeks
: fr_FR
Matelas isolant acheté pour une expédition à 6000 mètres d'altitude. Il s'est avéré pratique à gonfler chaque soir pendant la durée de l'expédition (8 jours). Seul bémol, il glisse lorsqu'il est positionné en pente, ce qui était parfois le cas. L'isolation est très bonne, et l
e poids le rends transportable facilement. Je le recommande donc.
...Easy transport | 5 | |
Sleep quality | 4 | |
Thermal insulation | 5 | |
Value for money | 4 | |
Look / Design | 3 |
Mon, Jun 02, 2025
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: 3 to 8 weeks
: fr_FR
Très bon matelas rapport qualité prix-poids et R-value, idéal en 3 saison.Je pratique souvent la randonnée, il coche beaucoup de critères vue le prix.
Value for money | 5 | |
Look / Design | 5 | |
Thermal insulation | 5 | |
Sleep quality | 4 | |
Easy transport | 4 |