Exped
Exped Ultra 8R (MW)
Best use
- Made for
- Backpacking and wild camping, Winter mountain
Why these labels
- Backpacking and wild camping: The maker states this use, and the published specs do not rule it out.
- Winter mountain: The maker states this use, and the published specs do not rule it out.
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: 5/10 How much it adds to your pack, compared with the whole market.
R-value 8.8 (ASTM).
Winter and expedition camps on snow or frozen ground (R 8.8)
- Valve
- flat valve
- Type
- Air
- R-value
- 8.8 (ASTM)
- Weight
- 705 g (MW)
- Thickness
- 9 cm
- Size
- 183 x 65 cm
Packed size 3.6 L, 27 cm long and 13 cm across Compare with a 2-litre bottle
About as long as a 2-litre bottle and a bit wider than one. Drawn to scale.
Where to buy
Tamarack Outdoors £178.50 In stock. Free delivery. 15% off the £210 list price. Free delivery over £50.
View at shop: Tamarack OutdoorsExped £210 In stock. Free delivery. Exped's own UK shop. Free delivery over £75.
View at shop: ExpedUltralight Outdoor Gear £189.99 Out of stock. RRP £209.99 struck through; 1 in stock. The shop's banner says free UK delivery on orders over £15.
View at shop: Ultralight Outdoor GearPrices 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 8.8, in the R 5.5+ band: winter and expedition use.
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 5/10How much it adds to your pack. 5: Does the job. Average for wild-camping gear.
Exped lists 705 g for the MW size (183 x 65 cm), in the 550-749 g band. Its M size is 560 g on exped.com and 580 g on Exped UK, also in that 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 27 x 13 cm and no litres: 3.1416 x 6.5 x 6.5 x 27 = 3,584 cm³, so 3.6 L, in the 2.5-3.9 L band.
In short
Good for
- Winter and expedition camps on snow or frozen ground (R 8.8)
- Very cold sleepers who want a warm mat at 705 g
- Backpackers who want 9 cm of thickness in a mat that packs to about 3.6 litres
Strengths
- R 8.8 (ASTM) and Exped rates it to -40 C
- 705 g for the MW size
- Packs to about 3.6 litres (27 x 13 cm)
- 9 cm thick
Weaknesses
- 705 g and 3.6 litres packed is a lot for a mat that is mainly for cold-season use
- Comfort and durability not yet scored: no independent tests found
Sources
We haven't tested this ourselves. Every score comes from these specs, tests and reviews.