Exped
Exped Ultra 10R (M)
Best use
- Made for
- Winter mountain
- Also works for
- Backpacking and wild camping
Why these labels
- Winter mountain: The maker states this use, and the published specs do not rule it out.
- Backpacking and wild camping: Light to carry: 0.6 kg
From the maker's stated use and the published specs.
- Summer wild camp: 7/10 UK, roughly May to September, nights above about 8 °C, sheltered pitches.
- Three-season hills: 8/10 UK hills in spring and autumn. Wind, rain, and nights near freezing.
- Winter camp: 8/10 UK winter or high ground. Below freezing, strong wind, possibly snow.
- Weight: 6/10 How much it adds to your pack, compared with the whole market.
R-value 10.2 (ASTM).
Winter wild camps on snow or frozen ground (R 10.2)
- Valve
- flat valve
- Type
- Air
- R-value
- 10.2 (ASTM)
- Weight
- 615 g (M)
- Thickness
- 9 cm
- Size
- 183 x 52 cm
Packed size 3.5 L, 23 cm long and 14 cm across Compare with a 2-litre bottle
Shorter than a 2-litre bottle and a bit wider than one. Drawn to scale.
Where to buy
Alpinetrek £173.96 In stock. Free delivery. Price for the M size. Exped UK lists the Ultra 10R at £230 in the wider sizes (the M is not on its shop). Free delivery from £85.
View at shop: AlpinetrekGO Outdoors £245 In stock. Free delivery. Standard delivery £3.99, free over £80. The member card price is not included.
View at shop: GO OutdoorsPrices checked 8 Nov 2026 on each shop's own page; shops can change them. We earn no commission on these links; shops are listed by price. More
Our ratings (out of 10)
1 to 10, compared with the whole market. Each says what it's based on. How we score
Warmth
From maker's figures 10/10How well it stops the cold ground chilling you. 10: The best you can buy for this.
Exped lists an ASTM R-value of 10.2, well into the R 5.5+ band. One European shop shows 9.9; we use Exped's figure.
Thickness
From maker's figures 9/10How deep it is. Deeper is comfier, above all for side sleepers. 9: Among the best you can buy for this.
9 cm thick.
Quietness
Estimate from maker's specs: mat type (fewer than 3 reviews about noise) 5/10How little it crinkles or squeaks when you turn over. 5: Does the job. Average for wild-camping gear.
No review we found says how noisy it is, so this is an estimate from the mat type.
Weight
From maker's figures 6/10How much it adds to your pack. 6: A bit better than average.
Exped lists 615 g for the M (mat only), in the 550–749 g band.
Packed size
From maker's figures 5/10How much room it takes in or on your rucksack. 5: Does the job. Average for wild-camping gear.
Exped gives 23 x 14 cm and no litres: 3.1416 x 7 x 7 x 23 = 3,540 cm³, so 3.5 L, in the 2.5–3.9 L band.
In short
Good for
- Winter wild camps on snow or frozen ground (R 10.2)
- People who sleep very cold and want one mat with winter-level warmth
- Trips where 615 g for R 10.2 beats carrying a foam mat as well
Strengths
- R 10.2 at 615 g: very high warmth for the weight
- 9 cm thick
- Packs to about 3.5 litres (23 x 14 cm)
Weaknesses
- No independent hands-on reviews found yet, so comfort and durability are estimates, not reviewed scores
- Heavier and bulkier than the Ultra 6.5R: 615 g against 360 g, and 3.5 L against 1.8 L
- More warmth than UK conditions usually need
- Shops disagree on the length (183 cm on Exped's page, 193 cm on GO Outdoors, Blacks and Millets)
Sources
We haven't tested this ourselves. Every score comes from these specs, tests and reviews.