NEMO Tensor Extreme Conditions Ultralight Insulated Sleeping Mat
NEMO TENSOR™ EXTREME CONDITIONS: ULTRALIGHT PAD WITH UNMATCHED WARMTH AND QUIET COMFORT
The NEMO Tensor Extreme Conditions Ultralight Insulated Sleeping Mat represents a new chapter in NEMO backpacking pad innovation. With its Apex™ baffle internal structure, Tensor EC toasts the competition, achieving an 8.5 R-value and a mind-bending warmth-to-weight ratio. Now the warmest, most insulating ultralight pad on the market, the NEMO Tensor Extreme Conditions Ultralight Insulated Sleeping Mat is also still the quietest pad in its class.
Using distinctly shaped baffles, the Apex™ design evenly suspends a record four layers of insulating Thermal Mirror™ film inside the pad. The strategic placement and number of layers combine to produce incredible warmth at as little as one pound, making this pad a winter-worthy companion that won’t weigh you down. Just as important, the floating construction prevents annoying crinkling noises so you and your camp partners can sleep soundly even on the most restless nights. Warmth, quiet, and 3.5 inches of stable cushioning together make the NEMO Tensor Extreme Conditions Ultralight Insulated Sleeping Mat synonymous with comfort.
The NEMO Tensor Extreme Conditions Ultralight Insulated Sleeping Mat ushers in improved puncture-resistance and strength with a 40D nylon bottom to protect the pad from tougher terrain. Meanwhile, the premium 20D nylon top offers a soft, lightweight sleep surface. The pad’s Laylow™ valve also gets a polish, removing unnecessary elements and significantly improving the performance and ease of use in all conditions — especially colder temperatures. Plus, it still effortlessly pairs with our Vortex™ pump sack to inflate in mere minutes, without introducing excess moisture into the pad.
FEATURES OF THE NEMO TENSOR EXTREME
- Apex™ baffle design suspends more insulating layers than ever before, strategically spaced for the highest R-value possible — 8.5.
- Four layers of floating Thermal Mirror™ metalised film provide quiet insulation with an unprecedented warmth-to-weight ratio.
- 3.5 inches of stable, cushioned loft for incredibly comfortable nights.
- Impressively quiet for uninterrupted sleep (and happy neighbours). bluesign® approved premium nylon fabrics shave grams while offering superior puncture- and tear-resistance.
- Included Vortex™ pump sack provides easy and fast inflation, saves breath at elevation, and minimises moisture entering the pad.
- Improved zero-profile, multifunctional, microadjustable Laylow™ valve offers customised inflation control, even at -20° F and below.
- Available in a wide range of sizes to easily pair with the rest of your sleep system.
- Protected by the NEMO Lifetime Warranty.
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What we think
I recently had the chance to try out the Tensor Extreme sleeping pad, and it definitely lives up to its reputation as one of the warmest, most insulating pads out there. With its thick air mat, grid-based baffle design, and four layers of heat-mirroring foil, it’s designed for serious cold-weather comfort.
I opted for the Regular Wide version, and while it does take up more room in the tent, the comfort level is incredible. The grid baffles provide a stable and flat sleeping surface, and the added width eliminates any worry about rolling off during the night. The fabric, which is bluesign® approved, feels durable and high-quality, and I was pleasantly surprised by how quiet it is—even when turning over.
Inflating the pad is straightforward with the included pump sack, which also helps prevent moisture from building up inside and extends the mat’s lifespan. It took me about four bags of air at 30 breaths each to fully inflate it. The pump sack is well-made, with a rubberised seal and a nozzle that fits securely with the two-way valve—no annoying popping off, at least not while it’s still new. Packing it away was easier than I expected, and it folds down to a surprisingly compact size considering its weight.
For me, the Tensor Extreme was a fantastic choice for cold-weather adventures. It’s warm, comfortable, and feels built to last, though it might be overkill for milder seasons. If you’re heading into frigid conditions and want something reliable, this pad is worth considering. -
Included with your sleeping pad
Velcro Strap
Drawstring Stuff Sack
Repair Patches
Vortex Pump Sack -
Size + Specifications
Regular Mummy:
Minimum Weight: 1 lb , 1 oz / 472 g
Packed Weight: 1 lb , 4 oz / 554 g
Packed Size: 10.0 x 4.0 in dia / 25.5 x 10 cm dia
R-Value: 8.5
Thickness 3.5 in
Shape: Mummy
Colour: Black/Birch Bud/Citron
Insulation: Aluminised Film
Fabric: 20D GRS certified Nylon, Bluesign Approved
Regular:
Minimum Weight: 1 lb, 2 oz / 505 g
Packed Weight: 1 lb , 5 oz / 587 g
Packed Size: 10.0 x 4.0 in dia / 25.5 x 10 cm dia
R-Value: 8.5
Thickness: 3.5 in
Shape: Rectangle
Colour: Black/Birch Bud/Citron
Insulation: Aluminised Film
Fabric: 20D GRS certified Nylon, Bluesign Approved
Regular Wide:
Minimum Weight: 1 lb , 6 oz / 625 g
Packed Weight: 1 lb , 9 oz / 710 g
Packed Size: 10.5 x 4.5 in dia / 27 x 11 cm dia
R-Value: 8.5
Thickness: 3.5 in
Shape: Rectangle
Colour: Black/Birch Bud/Citron
Insulation: Aluminised Film
Fabric: 20D GRS certified Nylon, Bluesign Approved
Long Wide:
Minimum Weight: 1 lb , 7 oz / 662 g
Packed Weight: 1 lb , 10 oz / 746 g
Packed Size: 10.5 x 4.5 in dia / 27 x 12 cm dia
R-Value: 8.5
Thickness: 3.5 in
Shape: Rectangular
Colour: Black/Birch Bud/Citron
Insulation: Aluminised Film
Fabric: 20D GRS certified Nylon, Bluesign Approved -
Weight
472 g
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R Value
8.5
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"The Valley and Peak promise is built on three pillars: thoughtfully curated gear, exceptional customer service, and a genuine love for the outdoors. As an independent, family-run business, we carefully select products from a wide variety of cottage gear brands and trusted names, ensuring that each item is rigorously tested and loved by our team. Our customer service is a cornerstone of our brand, offering personalised support to help you choose and care for your gear with confidence"
Jim De'Ath, Managing Director