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Thermarest NeoAir XTherm Max

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Size: Regular

The Thermarest NeoAir XTherm Max is a rectangular, inflating 4 season camping mat designed for maximal comfort, offering more warmth per gram than any other mat.

Setting the standard in size and weight for 4 season camping mats, the Thermarest NeoAir XTherm Max features the Triangular Core Matrix that offers the best warmth-to-weight ratio of any air sleeping pad construction. The construction gives the 2.5 inch (6.4 cm) thick pad superior stability, boasting the most inches of weld for maximum camp comfort. The packable pad boasts a 6.9 R-value, allowing users to take it into the most extreme conditions, making it ideal for when your backcountry pursuits demand extreme insulation and an ultralight packed size.

With the classic XTherm construction in a rectangular shape, the XTherm MAX features thehigh-performance WingLock valve, allowing the pad to inflate three times faster thanks to a larger opening and one-way inflation. 

Stuff sack and repair kit included.


  • Unmatched Warmth-to-Weight: Patent-pending, reflective ThermaCapture technology traps radiant heat while the 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 inches (6.4 cm) of thickness and baffled internal structure provide unrivalled stability and support.
  • Ultra-Packable: Low-bulk materials make the mattress ultra-compact—as small as a water bottle.
  • WingLock Valve: The intuitive and dependable valve maximises air flow for easier inflation and quicker deflation. Wings toggle for one-way inflation to save breath.
  • Pump sack, stuff sack and repair kit included


    Regular Large Regular Wide
    Colour Vapor Vapor Vapor
    R-Value 6.9 6.9 6.9
    Weight (Standard) 1 lbs 1 oz 1 lbs 7 oz 1 lbs 6 oz
    Weight (Metric) 0.49 kg 0.64 kg 0.61 kg
    Width (Standard) 20 in 25 in 25 in
    Width (Metric) 51 cm 64 cm 64 cm
    Length (Standard) 72 in 77 in 72 in
    Length (Metric) 183 cm 196 cm 183 cm
    Height (Standard) 2.5 in 2.5 in 2.5 in
    Height (Metric) 6.4 cm 6.4 cm 6.4 cm
    Thickness (Standard) 2.5 in 2.5 in 2.5 in
    Thickness (Metric) 6.4 cm 6.4 cm 6.4 cm
    Packed dimension (Standard) 9 in x 4.0 in 11 in x 4.5 in 11 in x 4.5 in
    Packed dimension (Metric) 23 cm x 10 cm 28 cm x 11 cm 28 cm x 11 cm
    Top fabric type 30D rip HT Nylon 30D rip HT Nylon 30D rip HT Nylon
    Bottom fabric type 70D Nylon 70D Nylon 70D Nylon
    What's Included Pump sack, stuff sack and repair kit Pump sack, stuff sack and repair kit Pump sack, stuff sack and repair kit
    Material(s) Nylon, Polyurethane Nylon, Polyurethane Nylon, Polyurethane
    Country of Origin USA*Built of the Finest U.S. and Global Materials USA*Built of the Finest U.S. and Global Materials USA*Built of the Finest U.S. and Global Materials

    Personal Shopping - By Appointment

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    Customer Reviews

    Based on 2 reviews
    Sarah Lee
    Excellent pad

    Best new purchase I made for wild camping ready for when the winter had come. Pack size and weight is amazing compared to the bulky Berghaus I had been using. Kept me comfortable on Rocky uneven pitches and warm during all camps. This is a 6.9 R value but is still getting used in the summer. I have had no complaints about this so called ‘sounds like sleeping on a crisp packet’. Only thing I’d change if I had my time again is to maybe buy the wider version for a little bit more room.

    Peggy G.
    Pleased with purchase

    This mat is lighter packs up smaller than my old thermarest but i’ve not yet had a chance to try it out