Therm-a-Rest NeoAir XTherm

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The XTherm mattress is the warmest mattress in the NeoAir collection, allowing you to go lighter than ever in winter conditions. Reflective Barriers give the XTherm™ mattress true 4-season warmth without the weight or bulk usually found in a winter-worthy mattress. The result is a mattress that weighs less than a pound, takes up less pack space than your water bottle, and provides serious comfort in extremely cold conditions.

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  • Four layers of reflective material recycle body heat and create air pockets that reduce convective heat loss
  • 2.5-inch thickness and Triangular Core Matrix™ construction provides unrivaled stability and comfort
  • Low-bulk materials make the XTherm™ mattress compact and as packable as a water bottle
  • Pump sack and repair kit included
  • Made in Washington

This product can only be shipped within the United States


Country of Origin Made in Seattle, WA
Average Weight 15 oz / 430 g (Reg)
1 lbs 4 oz / 570 g (L)
R Value 5.7
Length 72" (Reg)
77" (L)
Width 20" (Reg)
25" (L)
Thickness 2.5"
Insulation 4 layers of reflective material
Shape Tapered
Type Inflatable by mouth
Packed Size 9" x 4" (Reg)
11" x 4.5" (L)

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