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Forclaz M100 Foam Hiking Mattress
7.4 oz the lightest foam mattress and groundsheet.70.9" x 19.7" x 0.3" for minimal comfort. 10-year warranty.
Free shipping over $49
See our return rules
Free pickup
San Francisco, 735 Market St. Options
Select an available color and size to see options.
Product Videos
Product Features

Abrasion resistant
Alu film on upper surface reducing abrasion and increases thermal insulation.
Easy to transport
Weighs 7.4 oz. Volume when rolled: 6.6 L. Elastic strap.
Sleeping comfort
Dimensions 70.9” x 19.7” x 0.3”. Simple and cursory postural comfort.
Warmth
Ideal for warm environments (>59°F).R-Value 1.2
Easy assembly/dismantling
Rolled foam. Elastic strap.
Questions & Answers
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Product Customer Reviews

What do you expect out of an 8oz 1/3" sleeping pad? Not much I hope. I first saw this pad on the AZT, a hiker called 'Stir Crazy' was using one. Now I know where he got his name.
I wanted a foam pad for layering under my inflatable for snow camp. This has an R value of 1.2 and is a lot lighter than my thermarest z-lite which I was using before. I guess I could use it alone for a summer backpacking trip but it wouldn't be very comfortable on its own. Underneath another pad, this adds enough cushion and insulation that would make sleeping on snow a lot more comfortable.
I enjoyed
Comfy, especially with picnic blanket underneath to improve heat
This was useful as a lightweight layer underneath my inflatable mat which I rolled up inside to transport. The slightly thicker version they used to make would have been more practical for me as the replacement concertina type now sold as a better model can't be used this way. The surface of the mat would be better if it was less slippy. It's good value though Decathlon should have added two elastics rather than one.
Is what it is. Very thin and not ideal if you want a decent sleep.
THE ITEM IS LIGHT AND COMFORTABLE TO SLEEP ON
Used this under a blow up bed to create a carpet on the floor and more insulation
as to be expected for only a fiver
there's a lot of blurb about R value and RS standards, but they don't actually quote the R value which seems a little pointless.
Really impressed with this camping mat. Can be rolled securely & fastened with elastic loop that it comes with.
a simple but great mat with the bonus of a reflective backing. it will be used with egg shell folding mat to give extra insulation and comfort without extra weight or the hassle of blowing up a mat or bed. the bonus of a 10 year warranty just adds to the great price .
Just what we need
Ok
Nothing else MATTRESS when it come to this Foam mat. lightweight and comfy!
Additional Product Information
Volume and dimensions when folded
Rolled dimensions Ø 5.1” x 19.7”.Volume 6.6 L.Density of the foam 66.1 lbs/m3.
Thermal properties and warmth
Sleep on aluminized side, facing the sleeping bag with foam side on the ground to minimize losses of body heat.R-Value 1.2 (measured by EMPA, an independent laboratory).The R-Value is a measure of thermal performance and insulation. The higher the R-Value, the more the mattress insulates you from the cold ground.An R-Value of 5.9 is equivalent to a minimum temperature rating of approximately -11°F. 0.7 is equivalent to a temperature rating of +52°F.R-Value is not a standard (in progress).
Product test
The sleeping comfort, also known as ”postural comfort,” of the mattresses is defined by our Research and Development Center. All our mattresses are subjected to mechanical tests to check the performance and resistance of the mattress in order to guarantee you the best sleep and the best recovery. We also carry out numerous field tests in real-life conditions.
Product testing
This mattress is guaranteed for a period of 10 years from the date of sale indicated on the receipt. The product covered by the warranty will be repaired or exchanged free of charge. The warranty covers the defects of your mattress apart from those resulting from normal wear and tear and improper use. This special 10-year warranty is only valid with the product and sales receipt.
Origin
Imported
Superior quality. Unbeatable prices.
For 40 years, Decathlon has delivered the best value in the retail sports industry by offering high-quality, sustainable and cost-effective products.
Decathlon makes the difference
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Research and development
delivers high-quality cost-effective products
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State-of-the-art production processes
minimize manufacturing costs
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Optimized supply chain
reduces retail prices
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Minimal retail footprint
lowers overhead and indirect costs

Forclaz M100 Foam Hiking Mattress
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Heavy products return policy
If you return a product you will receive a refund for the purchase price plus any applicable sales taxes, less any non-refundable charges.
Decathlon will cover all shipping costs associated with your return except for items excluded from our return policy such as bikes, basketball hoops, snowboards, surfboards, tents, and other larger / heavier items.
Return costs for heavy products:
Weight Thresholds | Shipping within California | Shipping outside of California |
---|---|---|
> 9 lbs | $20.00 | $25.00 |
> 30 lbs | $50.00 | $65.00 |
> 100 lbs | $100.00 | $125.00 |
> 200 lbs | $200.00 | $230.00 |
If you return a product at any of our store locations, we will gladly help you find the best alternative product or refund you on the spot.
