ThermARest NeoAir XTherm MAX Mattress


The ThermARest NeoAir XTherm Provides More Warmth Per Gram Than Any Other Air Mattress In The World.


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The ThermARest XTherm™ MAX 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.

Video: Using Your ThermARest NeoAir Mattress

Video: Care For Your ThermARest Mattress


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™ MAX mattress packs to the size of a one-liter water bottle.

Ultralight: Advanced materials reduce weight without compromising warmth.


Regular Mattress:  R-Value: 5.7;  Weight: 1 lb-1 oz;  Width: 20 in;  Length: 72 in;  Thickness: 2.5 in.;  Packed Size: 9 x 4 in;  Color: Vapor;  Top Fabric: 30D Rip HT Nylon;  Bottom Fabric: 70D Nylon; Core: Nylon

Large Mattress:  R-Value: 5.7;  Weight: 1 lb-7 oz Width: 25 in;  Length: 77 in;  Thickness: 2.5 in.;  Packed Size: 11 x 4.5 in;  Color: Vapor;  Top Fabric: 30D Rip HT Nylon;  Bottom Fabric: 70D Nylon;  Core: Nylon

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