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NeoAir® XTherm / XTherm MAX

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NeoAir XTherm

More warmth per gram than any other air mattress in the world with the XTherm™ MAX providing even greater coverage.

The XTherm™ air mattress delivers the greatest warmth-to-weight ratio available in any air mattress by far, with a softer, textured no-slip fabric for better next-to-skin comfort and a quieter rest. Multiple, reflective ThermaCapture™ layers give the XTherm™ air mattress true four-season warmth without the weight or bulk usually found in a winter-worthy mattress. And now, the XTherm™ MAX delivers all the great features and benefits of the original XTherm in a full rectangular shape, providing added coverage and warmth for extreme temps and wider torsos. Stuff sack and repair kit included.

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  • NeoAir XTherm, Regular, Vapor$199.95 (USD)
  • NeoAir XTherm, Large, Vapor$229.95 (USD)
  • NeoAir Xtherm MAX, Regular, Vapor$199.95 (USD)
  • NeoAir Xtherm MAX, L, Vapor$229.95 (USD)
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  • Unmatched Warmth-to-Weight: Patent-pending, reflective ThermaCapture™ technology traps radiant heat while Triangular Core Matrix™ construction minimizes convective heat loss–all without the bulk, weight or durability issues of down and synthetic fills.
  • Excellent Comfort: 2.5” (6 cm)-thickness, soft-touch fabrics and baffled internal structure provide unrivaled stability and support.
  • Highly Packable: Free of bulky, conventional insulating materials, the XTherm™ mattress packs to the size of a one-liter water bottle.
  • Ultralight: Advanced materials and a tapered design reduce weight without compromising warmth.
  • NEW – XTherm MAX – All the performance of the original XTherm with added coverage for extreme temps and larger torsos.

Therm-a-Rest NeoAir XTherm mattress R-value chart

View specs in printer-friendly format
RegularLargeL
ColorVapor, VaporVaporVapor
R-Value5.75.75.7
Weight15 oz / 430 g1 lbs 4 oz / 570 g1 lbs 7 oz / 640 g
Width20 in / 51 cm25 in / 63 cm25 in / 63 cm
Length72 in / 183 cm77 in / 196 cm77 in / 196 cm
Thickness2.5 in / 6.3 cm2.5 in / 6.3 cm2.5 in / 6.3 cm
Packed dimension9 x 4.0 / 23 x 1011 x 4.5 / 28 x 1111 x 4.5 / 28 x 11
Top fabric type30d Rip Nylon30d Rip Nylon30d Rip Nylon
Bottom fabric type70d Nylon70d Nylon70d Nylon
CoreNylonNylonNylon
Country of OriginUSA*Built of the Finest U.S. and Global MaterialsUSA*Built of the Finest U.S. and Global MaterialsUSA*Built of the Finest U.S. and Global Materials
  • Winner of the a GOLD OutDoor INDUSTRY AWARD 2011, the NeoAir XTherm mattress was selected for its “ultra-effective” warmth and for being “extremely lightweight and beautifully designed at the same time.” The only mattress to chosen for a GOLD award from a pool of 301 product submissions, the jury called it “Absolutely perfect!”

  • "From Alaska to Greenland to Patagonia ... our testers have used the XTherm side-by-side ... with top competing pads. Our tests consistently show the XTherm is the warmest, most comfortable, lightest, and most compact sleeping pad available."

  • Winner of a 2013 Editor's Choice award from the German magazine Outdoor, the NeoAir XTherm mattress was recognized for it's light weight, packability and perfect insulation for 4-season warmth.

USA*Built of the Finest U.S. and Global Materials

NeoAir® XTherm / XTherm MAX Instructions

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