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Nemo

Nemo Tensor Extreme Conditions Insulated Sleeping Pad

$369.85 $449.95
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Description

The Nemo Tensor Extreme Conditions is a winter sleeping pad with an R-value of 8.5, weighing 505 g in Regular and 8.9 cm thick. Its Apex baffle structure is what buys that insulation at a weight most four-season pads cannot match.

Who it's for

Snow camping, alpine winter, and anyone who has been cold from underneath and does not intend to repeat it. An R-value of 8.5 is genuine mountaineering insulation at a weight close to a three-season pad.

Overkill for Australian summer. If you camp above the snowline in winter it is exactly right; if you do not, the Tensor Trail saves 110 g and money.

What R-value means for you

R-value measures how well a pad stops heat escaping into the ground, and it is the number that decides whether you sleep. A sleeping bag insulates the air around you; underneath, your body weight crushes the fill flat and the bag does almost nothing. Rough guide: under 2 is summer, 2 to 4 is three-season, 4 to 6 handles frost, and above 6 is snow.

At 8.5 this sits above almost everything else in the category, and comfortably above the 6 that marks the start of snow use. Nemo call it the warmest ultralight pad on the market.

Comfort and noise

8.9 cm thick, the same loft as the Tensor Trail — the extra warmth comes from the internal structure, not from more air. The Apex baffles hold the surface flat while trapping insulation in layers.

Like the rest of the Tensor line it is built to be quiet, which matters more in winter when you are in a tent with other people and nobody is sleeping well anyway.

Weight

Regular Mummy 472 g, Regular 505 g, Regular Wide 625 g, Long Wide 660 g. Packed weights run 554 g to 745 g.

The comparison that matters: 110 g more than the Tensor Trail for nearly three times the R-value. That is an unusually good trade, and it is the whole argument for this pad.

Specifications
  • Color
    Black/Birch Bud/Citron
  • Insulation
    Aluminized film, Apex baffles
  • Minimum Weight
    Regular Mummy 472 g; Regular 505 g; Regular Wide 625 g; Long Wide 660 g
  • Packed Size
    25.5 x 10 cm dia (Regular)
  • Packed Weight
    Reg. Mummy - 554 g; Regular - 587 g; Reg. Wide - 710 g; Long Wide - 746 g
  • R-Value
    8.5
  • Fabric (shell, rainfly, Canopy, lining, floor)
    20D GRS certified Nylon, Bluesign Approved
  • Thickness
    8.9 cm
  • Length
    150 mm
  • Height
    250 mm
  • Width
    150 mm
  • Shape
    Reg. Mummy - Mummy; Regular, Reg. Wide, Long Wide - Rectangular

Sizing Guide

Additional Information
  • 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.
  • Protected by NEMO two (2) years warranty only. 

WHAT'S INCLUDED

  • Velcro Strap
  • Repair kit
  • Vortex pump sack
  • Drawstring stuff sack

FAQ's

What R-value do you need for snow camping?
Above 6 is the usual guidance for sleeping on snow or frozen ground. The Tensor Extreme Conditions runs 8.5, which is comfortably into that range and above most four-season pads.

How much heavier is the Extreme Conditions than the Tensor Trail?
About 110 g in Regular — 505 g against 395 g. That buys an R-value of 8.5 instead of 2.8, which is nearly three times the insulation for a quarter more weight.

Is the Tensor Extreme Conditions too warm for summer?
There is no real penalty for using a warm pad in summer beyond weight and cost. If most of your nights are mild, the Tensor Trail does the job for 110 g less and less money.

What are Apex baffles?
Apex is Nemo's internal baffle structure for this pad, holding the insulation in layers while keeping the surface flat. It is what produces the 8.5 R-value at a weight close to a three-season pad.

Is this pad noisy to sleep on?
No. Nemo build the Tensor line specifically to avoid the crackle that most insulated pads make when you move, which matters in a winter tent where everyone is already sleeping badly.