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Gearhead Top Pick

Sea To Summit
Ether Light XR Insulated Sleeping Mat

4.708333333333333 out of 5 stars
24 Reviews
Current price: $179.25 - $194.25 Original price: $259.00
25% off

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Ether Light XR Insulated Sleeping Mat delivers ultralight comfort with Thermal Core insulation for cold conditions

What Our Gearhead® Experts Are Saying:


"This sleeping pad strikes the perfect balance between warmth and weight. The Air Sprung Cells provide great support, making it super comfortable, and the Thermal Core insulation keeps me warm in chilly conditions without adding bulk. Whether I’m backpacking in the summer or tackling a cold-weather adventure, this mat is my go-to for a good night’s sleep."


When we're venturing into the backcountry, a good night’s sleep is essential. The Ether Light XR Insulated Sleeping Mat offers the perfect blend of warmth, comfort, and lightweight packability, making it an ideal companion for multi-day adventures.


Designed with Air Sprung Cells, this mat delivers enhanced support, reducing pressure points and providing stability no matter where we set up camp. The innovative Thermal Core insulation reflects body heat and minimizes internal air movement, ensuring optimal performance in colder conditions while keeping weight to a minimum. With a 4.5 R-value and a durable yet lightweight construction, this mat is built to handle anything from summer backpacking to winter expeditions.


Details

  • Ultralight and packable sleeping mat for backpacking and cold-weather trips
  • Air Sprung Cells provide superior comfort and stability on uneven terrain
  • Thermal Core insulation reflects body heat for warmth without added weight
  • Durable TPU-laminated fabric enhances reliability in rugged conditions
  • XPress valve system allows for quick inflation and deflation
  • Available in multiple sizes to fit different sleeping preferences
  • Item #STSZ0AQ
Material
[face fabric] 30D x 40D nylon, TPU laminate, [insulation] Thermal Core
Style
air pad
Shape
mummy, rectangular
Thickness
4in
R-Value
4.5
Pump
stuff sack
Stuff Sack
included
Dimensions
[small] 66 x 21.6in, [regular] 72 x 21.6in, [large] 78 x 25.2in, [rectangular reg. wide] 72 x 25.2in, [rectangular large] 79 x 25.2in
Claimed Weight
[small] 15.3oz, [regular] 1lb 0.2oz, [large] 1lb 4.6oz, [rectangular reg. wide] 1lb 4.8oz, [rectangular large] 1lb 7.1oz
Activity
weekend camping, backpacking
A lone hiker with a backpack and trekking poles walking along a grassy ridge with snow-capped mountains behind them; the Sea to Summit logo is at the top.

Your Ally In Every Adventure

Since 1991, Sea to Summit has been there for every adventure. Designed to be the perfect balance of clever, packable, and light, Sea to Summit products encourage self-reliance anywhere.

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