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The Tensor Alpine is a serious piece of kit for those want top end performance without compromising weight or pack size for what is a Long Wide version.
Nemo says:
This pinnacle mountaineering pad offers lightweight, compact, extreme warmth without sacrificing comfort. Three layers of suspended metalized film and a unique construction efficiently retains your own body heat. Tensor™ Alpine brings warmth and comfort to cold weather camping. Whether at base camp or high on the mountain before a summit push, the combination of compact size, light weight, and warmth cannot be beat.
A zero-profile, multi-functional, micro-adjustable valve offers convenient inflation and fast deflation. The included Vortex™ pump sack provides fast and easy inflation without introducing moisture into your pad.
Patent-pending Spaceframe Baffles™ are low-stretch trusses that provide greater stability and point deflection resistance than competitors. Tensor™ Alpine's unique construction sleeps quieter than other pads.
Our Verdict
Nemo's Tensor Alpine Long Wide Sleeping Mat is a luxurious and functional package. Don't let the lack of R value put you off this mat is given a temperature range of -23 to -29 degrees Celsius which is very impressive given the low weight and pack size for this extra long and wide version.
The mat packs down to an impressively small size considering the added length and width. It is quickly inflated using the included vortex pump sack. Using the sack prevents moisture getting into the mat. The mat is thick and comfortable to sleep on, I didn't sink through when laying on my side. Despite the low weight the material feels durable and is quiet without the 'wrinkle' effect of other mats so wriggly sleepers have no fear.
- Reviewed by Basecamp Gear
Features
- 3 inches of stable, cushioned loft.
- Undulating lateral baffles are the most comfortable and unobtrusive topography for sleeping pads.
- Spaceframe™ Baffles provide more stability and a quieter sleep than competitors.
- Premium 20D fabrics shave grams for a minimal pack size and weight.
- Three layers of suspended Thermal Mirror™ metalized film provides quiet insulation with an unprecedented weight-to-warmth ratio.
- New, included Vortex™ pump sack provides easy and fast inflation, saves breath at elevation, and minimizes moisture entering the pad.
- New zero-profile, multi-functional, micro-adjustable valve is flush to the pad and offers customized control over your inflation.
- Packaging is made from recycled materials and is 100% recyclable.
Specifications
- Weight: 664g (excludes pump & stuff sacks)
- Vortex pump sack weighs: 56g
- Dimensions: 193 x 64cm
- Thickness: 8cm
- Packed size: 24 x 9cm
- ASTM R-Value: 4.8
- Temp rating: -20 to -10F / -29 to -23C
- Shape: Mummy
- Fabric: 20D PU Polyester
- Insulation: Aluminized Film
ASTM R-Value:
From 2020, there is a new industry standard for measuring the R-value (level of insulation) of sleeping mats – ASTM F3340-18. This new standard is the sleeping mat equivalent to the EN rating for sleeping bags.
You can now directly compare the R-value of mats rated using the ASTM F3340-18 with confidence that is a fair and accurate comparison between mats. In simple terms, the higher the R-value, the warmer the mat.
In general terms, an R-value below 2.0 is for summer use, 2.0 to 4.0 is for cooler 3 season use and 4.0+ is for winter temperatures. This will be also be dependent on your sleeping bag, how cold you sleep etc. Please contact our customer service team if you need advice on choosing the right mat for your activity.
