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With cutting edge Triangular Core Matrix™ construction and ThermaCapture™ technology, the Neoair® XTherm NXT delivers a 7.3 R-value while weighing just 15.5 oz. Put another way, the best warmth-to-weight ratio of any rectangular sleeping pad ever created. It is warmer, lighter, and thicker than the previous model, which is why the XTherm NXT cements the legacy of being the go-to sleeping pad for alpinists, mountaineers, and extreme cold expeditions.

At 7,6 cm thick, with horizontal baffles, all-night comfort and support are at hand, while 70D nylon on the bottom ensures the XTherm NXT holds up to extended expedition use. The WingLock™ Valve allows for rapid inflation and deflation but is also intuitive and easy to use in frigid weather when the gloves are not coming off.

If reliable overnight warmth is the demand no matter how far the mercury dips and space in the pack is at a premium, there’s no finer Therm-a-Rest® sleeping pad than the XTherm NXT.

Check out our QUILT sleeping bags! With their new, convenient attachment system they’re a perfect match for this mattress: QUILTS AND COMFORTERS

More Information
Weight15.5 oz
Thickness3 in
Pack size9 in x 4.5 in
SeriesNeoAir Xtherm
Material on bottom70D Nylon
Dimensions20 x 72 in
Product features
  • Best Warmth-to-Weight Ratio Ever: Refined Triangular Core Matrix™ construction and ThermaCapture™ technology deliver a cold-conquering 7.3 R-Value while cutting over 57 g (2 oz) in weight from the previous model.
  • Premium Comfort: A 3-inch (7.6 cm) thick profile, horizontal baffled structure delivers premium backcountry comfort while keeping the weight to a minimum.
  • Ultralight Durability: 70D nylon on the bottom withstands the wear and tear of extended expedition use, while 30D ripstop nylon on top keeps it light and packable.
  • WingLock™ Valve: Delivers fast one-way inflation and rapid deflation without giving up the ability to easily purge air while you lay on it for comfort micro-adjustments—even with gloves on.
  • Pump sack, stuff sack and repair kit included
  • * Limited Lifetime Therm-a-Rest® Warranty