Nemo Tensor 20L Large Rectangular Airbed

R-Value: Not Quoted / Dimensions: 193 x 51 x 8cm / Packed Size: 20 x 7.5cm
Weighs 442g (excluding bag)
Code: SS17717
  • Now £109.99
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+ In Stock Now | Usually dispatched within 24 hours

The Nemo Tensor 20L is an ultra lightweight and compact airbed that provides comfort and stability for a restful night's sleep.

Nemo says:

Tensor™ features NEMOs lightest weight fabrics and cutting edge insulation. Constructed with low-stretch fabric baffles to eliminate elasticity, Tensors height, stability, quiet fabrics, paltry weight, and packed size make it the ultimate in ultralight pad design.

The un-insulated Tensor Airbed's are lighter than the insulated versions so are ideal for light and fast backpacking. They do still have a heat-reflective layer, so are warmer than typical air-only pads. This causes a slight crinkle noise but it's much, much quieter than the NeoAir mats.

Nemo have not given their mats R Value's but they do say that the comfort temperature range of the un-insulated Tensor mats are about -1 to 4C  and the insulated versions are about -9 to -4C, which would put the insulated versions right about the same warmth as the Neoair mats. Overall I like the full rectangular shape, though those looking to cut weight may want to consider the mummy shape or a shorter length version.

- Reviewed by Ultralight Outdoor Gear

Help and advice:  
  • Spaceframe baffles (die-cut trusses of low-stretch fabric) eliminate the springiness found in competitor pads. This creates a more stable sleep surface, better for rolling side-to-side and for keeping your elbows off the ground when reading a book
  • Undulating Lateral Baffles offer the most comfortable and unobtrusive topography for sleeping pads
  • A metalized film layer provides insulation while maintaining an ethereal weight
  • The height, stability, quiet fabrics, and paltry weight and packed sized make this series the ultimate in ultralight pad design


  • Weight: 442g
  • Dimensions: 193 x 51cm
  • Packed size: 20 x 7.5cm
  • Thickness: 8cm
  • Minimum Temp.Zone: -1 to 4C
  • Shape: Rectangular
  • Fabric: 20D PU Polyester Ripstop
  • Insulation: Aluminized film
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