NEMO Tensor Insulated Review

If you do a good job protecting this pad from external punctures, it is a competitive alternative to more costly mats like the Top Pick winning Sea to Summit Comfort Plus Insulated or the Editors' Choice-winning Therm-a-Rest NeoAir XTherm. Continue reading to see why we loved the Tensor and why it might be the right addition to your kit.

Performance Comparison

The Tensor beckons to weary backs at the end of a long day. Not the lightest pad out there, but one of the most comfortable.

Photo: Matt Bento

Comfort

The Tensor ranked high in the comfort metric. The relatively smooth surface welcomed a solid night's sleep. Three inches of thickness absorbed any irregularities like grass clumps and provided lots of cushion for side sleepers. For those who can't get past the crinkly but high scoring Therm-a-Rest NeoAir XTherm, the Tensor provides a much quieter night's sleep, and our reviewers found it a bit more comfortable because the edges are less prone to collapse.

Our testers get a great night sleep when they have a large surface area to roll around one without falling off onto the cold ground.

Photo: Matt Bento

Weight and Packed Size

Low weight and packed size are two great reasons to choose this pad. Coming at just 15 ounces, the Tensor turned heads and didn't weigh us down. If your most important metrics are weight and comfort, this is the pad for you. Winter travelers will likely be better off with the 15-ounce Therm-a-Rest XTherm. If you're looking for true ultralight comfort, the Therm-a-Rest UberLite reigns supreme with a high comfort score and weighs just 12 ounces. Nemo also offers this pad in uninsulated, short, and tapered variants that further increase weight savings.

This pad packs down relatively small for its massive inflated size.

Photo: Matt Bento

Warmth

Nemo refrains from posting the R-value of the Tensor but claims that it is suitable for temperatures down to 30 degrees F at the lower end. Based on our testing of similar claims about other three-season pads, we suspect this pad has a warmth rating close to an R-value of 3. During our review, testers felt cold while sleeping on the snow, so we recommend pairing this pad with a foam one like the Therm-a-Rest ZLite Sol for forays into winter conditions. For three-season backpacking, the Tensor proved up to the task.

Ease of Inflation

The latest incarnation of the Tensor employs a micro-adjustable valve so you can easily dial in your firmness level, but what really impresses our testers is the Vortex Pump sack. The wide version of this pad takes a lot of air, and the pump sack makes filling the pad a relatively quick and easy process. Simply connect the pump to the valve, open up the end of the sack, so it fills with air, and roll the sack closed, so all the air is forced inside the pad. We think it works better than similar pump designs from Thermarest and Klymit.

This pad uses a stuff sack inflation system that works better than similar designs from Thermarest.

Photo: Matt Bento

Durability

20D PU polyester ripstop forms the outer material for this pad. This type of material represents an aggressive weight savings approach to pad design. We were anything but gentle with the Tensor, using it directly on sharp granite rocks and grassy substrates, and subsequently, the pad no longer remains inflated for a whole evening. If you end up purchasing the Nemo, we recommend using it in conjunction with a ground tarp or tent. Treat it well, and it'll likely reward you for years to come.

The Nemo saves shaves ounces by using lightweight 20D Polyester.

Photo: Jeremy Bauman

Value

We feel this is a fair price compared to other pads on the market. Some pads we like more are less expensive like the REI Flash Insulated, but others are more expensive like the Therm-a-Rest NeoAir XTherm.

Conclusion