Thermarest NeoAir XTherm

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Four-season sleeping mat, the warmest available. Available in Regular or Large. Show more >
RRP: $200.14
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Thermarest NeoAir XTherm

The NeoAir XTherm provides the greatest warmth-to-weight ratio of any four-season self-inflating sleeping mat. With a 6.3 cm thickness, an R-Value of 5.7, and a soft, textured no-slip fabric, the Neo Air XTherm will provide the best level of comfort and insulation of any sleeping mattress on the market. It still packs down small to save space in your pack.

Tech specs

WEIGHT0.43 kg, 0.57 kg
SIZE183 x 51 x 6.3 cm, 196 x 63 x 6.3 cm
PACKED SIZE23 cm x 10 cm, 28 cm x 11 cm
MATERIAL(S)30D rip HT nylon (top), 70D nylon (bottom), Nylon (core)


NeoAir XTherm


• Unmatched Warmth-to-Weight: Patent-pending, reflective Thermacapture™ technology traps radiant heat while Triangular Core Matrix™ construction minimises convective heat loss–all without the bulk, weight or durability issues of down and synthetic fills.
• Excellent Comfort: 2.5 in (6 cm)-thickness, soft-touch fabrics and baffled internal structure provide unrivalled stability and support.
• Highly Packable: Free of bulky, conventional insulating materials, the XTherm™ mattress packs to the size of a one-litre water bottle.
• Ultralight: Advanced materials and a tapered design reduce weight without compromising warmth.
• R-Value: 5.7

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