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Gear / Sleeping Pads & Mats

Sea to Summit Ether Light XR Insulated Air Sleeping Pad vs Ether Light XT Insulated

Ether Light XR Insulated Air Sleeping Pad is the lighter of the two by 20 g (0.7 oz).

Where to buy

Ether Light XR Insulated Air Sleeping Pad

  • Check price on Amazon→

Ether Light XT Insulated

  • Check price on Amazon→

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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 Air Sleeping Pad

Sea to Summit

Ether Light XT Insulated

Sea to Summit

Weight
16.6 oz
17.3 oz
R-value
4.1
3.2
Retailers
1
1

Which one to choose

  • Choose the Sea to Summit Ether Light XR Insulated Air Sleeping Pad if every ounce counts — 16.6 oz against 17.3 oz.
  • Choose the Sea to Summit Ether Light XR Insulated Air Sleeping Pad for colder ground: R-value 4.1 against 3.2. The Sea to Summit Ether Light XT Insulated is the three-season choice.
+ Add the Ether Light XR Insulated Air Sleeping Pad to my pack+ Add the Ether Light XT Insulated to my pack

Questions this comparison answers

Is the Sea to Summit Ether Light XR Insulated Air Sleeping Pad lighter than the Sea to Summit Ether Light XT Insulated?
Ether Light XR Insulated Air Sleeping Pad is the lighter of the two by 20 g (0.7 oz).

Ether Light XR Insulated Air Sleeping Pad

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 Air Sleeping Pad →

Ether Light XT Insulated

Extra-thick 4-inch, lightweight air mattress provides a plush, women’s-specific sleeping surface for 3-season (3.5 R-Value) backpacking, camping, and bike touring. Single-layer Air Sprung Cell construction mimics a spring mattress; women’s pad is cut narrower at the shoulders and wider around the hips and knees.

Full specs and prices for the Ether Light XT Insulated →

Ranked guides for this shelf

  • Which Therm-a-Rest Sleeping Pad Is Lightest in 2026?
  • What's the Warmest Sleeping Pad for the Weight in 2026?
  • What Is the Lightest Backpacking Sleeping Pad in 2026?

The next question

  • Tensor All-Season Sleeping Pad vs Ether Light XR Insulated Air Sleeping Pad
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  • Ether Light XT Insulated vs NeoAir XLite NXT MAX Sleeping Pad
  • Ether Light XR Insulated Air Sleeping Pad vs NeoAir XTherm NXT
  • Ether Light XT Insulated vs Ultralight Women's Insulated Air Sleeping Pad
  • Ether Light XR Insulated Air Sleeping Pad vs Ultralight Women's Insulated Air Sleeping Pad
Add a third item to this comparison·Every sleeping pads & mats on the register