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Sea to Summit Ether Light XR Insulated Sleeping vs Therm-a-Rest NeoAir XTherm NXT

NeoAir XTherm NXT is the lighter of the two by 5 g (0.2 oz).

Where to buy

Ether Light XR Insulated Sleeping

NeoAir XTherm NXT

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Weights and prices are the manufacturer’s published figures. The best value in each row is highlighted.

Ether Light XR Insulated Sleeping

Sea to Summit

NeoAir XTherm NXT

Therm-a-Rest

Weight
15.7 oz
15.5 oz
R-value
—
7.3
Retailers
1
1

Which one to choose

  • Choose the Therm-a-Rest NeoAir XTherm NXT if every ounce counts — 15.5 oz against 15.7 oz.
+ Add the Ether Light XR Insulated Sleeping to my pack+ Add the NeoAir XTherm NXT to my pack

Questions this comparison answers

Is the Sea to Summit Ether Light XR Insulated Sleeping lighter than the Therm-a-Rest NeoAir XTherm NXT?
NeoAir XTherm NXT is the lighter of the two by 5 g (0.2 oz).

Ether Light XR Insulated Sleeping

Lightweight insulated sleeping pad delivers plush comfort and packable performance for backpacking, bikepacking, and backcountry adventures in cool-weather conditions. ThermalCore insulation uses multiple TRM layers to reflect infrared heat back to the sleeper while remaining quiet and low bulk for efficient warmth.

Full specs and prices for the Ether Light XR Insulated Sleeping →

NeoAir XTherm NXT

3-inch-thick ultralight air mattress trusted by alpinists and mountaineers looking for extra warmth and durability in the backcountry. Reflective ThermaCapture technology traps radiant heat while the Triangular Core Matrix construction minimizes convective heat loss providing a 7.3 R-value, ideal for extreme conditions.

Full specs and prices for the NeoAir XTherm NXT →

Measured guides for this shelf

The next question

Add a third item to this comparison·Every sleeping pads & mats on the register