NEMO Tensor All-Season vs NEMO Tensor Trail

In short: The NEMO Tensor Trail costs $30 less; the NEMO Tensor All-Season is warmer by 2.6 points of R-value; the NEMO Tensor Trail saves 1.6 oz.

SpecNEMO Tensor All-SeasonNEMO Tensor Trail
Approx. price~$220~$190
R-valueR 5.4R 2.8
Season bandCold three-seasonThree-season
R-value standardASTM F3340ASTM F3340
Weight15.5 oz13.9 oz
R per ounce0.35 R/oz0.20 R/oz
Thickness3.5 in3.5 in
Pad typeairair
Inflationpump sackpump sack
Dimensions72 × 20 in72 × 20 in
Packed size10 × 4 in10 × 4 in
InsulationSuspended aluminised Thermal Mirror film inside Spaceframe bafflesOne suspended layer of aluminised Thermal Mirror film inside Spaceframe baffles
Top fabric20D20D

Shaded cells mark the row where one has a measurable advantage. Weight, thickness, girth and shape are left unshaded on purpose: heavier is sometimes tougher, wider is sometimes warmer, and calling a winner on those would be an opinion dressed as a measurement.

What each one does well, and costs you

NEMO Tensor All-Season

  • Genuinely quiet — the film is suspended inside the baffles rather than bonded to the face fabric, and that is the single thing people switch to this pad for.
  • 3.5 inches thick, half an inch more than the XLite, which is the difference for a heavy side sleeper.
  • R-value 5.4 covers frozen ground; only the winter specialists in this catalogue beat it.
  • Sold as a mummy or a rectangle in the same size, so you can pick between 1.4 ounces and a wider corner for your feet.
  • The Vortex pump sack inflates it in about three squeezes and doubles as the stuff sack.
  • $220 for the rectangular Regular, the most expensive three-season pad here per R-value.
  • 20-denier top fabric is thin; NEMO's own repair kit is in the box for a reason.
  • The mummy version tapers hard at the feet and is noticeably narrower than the rectangle at the shoulders.
  • The Spaceframe baffles make it firmer than a simple I-beam pad, which not everyone prefers.

NEMO Tensor Trail

  • 3.5 inches of loft at 13.9 ounces — the same thickness as the warmer Tensors for two ounces less.
  • Quiet in exactly the way the rest of the Tensor line is.
  • $190 undercuts the All-Season by $30 and the XLite by $20.
  • Mummy and rectangular options at the same price in the Regular.
  • R-value 2.8 runs out below about 40 °F of ground temperature; a frosty night on this needs a foam pad under it.
  • Only $30 cheaper than the All-Season, which is nearly twice as warm — the value case is narrow.
  • 20-denier fabric, like the rest of the line.
  • A thick summer pad is a lot of volume to carry for insulation you could get from foam.