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Sea to Summit Ether Light XT Insulated Air Sleeping Pad - Men's

Sea to Summit Ether Light XT Insulated Air Sleeping Pad - Men's
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The new Ether Light XT Insulated Air Sleeping Mat brings Air Sprung Cell™ comfort to the realm of thicker air sleeping mats. Quiet and lightweight, this sleeping mat uses two types of insulation to provide three-season warmth.

The XT Air-Sprung Cells™ are constructed using loops of a strong, flexible material to provide a plush sleeping experience.

The uprated 30D / 40D face fabric is quiet and durable, and the lamination technology continues Sea to Summit’s class-leading reliability.


Warm enough for shoulder seasons? Yes. This air sleeping mat has a tested R-Value of 3.2 – perfect for conditions from Spring through Fall.

Easy to inflate? Yes! The supplied stuff sack features an integrated Airstream Pump – just a couple of breaths will inflate the mat.

Suitable for backpacking? Yes. The Tapered Regular size weighs only 17.3 ozs / 490 g, and packs down to 4.5” x 9.5” / 11.5 x 24cm) – ideal for backpacking, bike touring and camping.


Best Use

  • Ultralight Backpacking, Bike Touring, Camping

Comfort & Support

  • 4 inches of plush support offers luxurious comfort and you won't feel the uneven ground beneath you. 


  • R-Value of 3.2 is designed for warmer-weather use. Click here to learn about the new ASTM R-Value test standard.
  • At 4 inches thick, Ether Light XT Air Sprung Cells™ provides a plush sleeping experience
  • Exkin Platinum® insulation reflects your radiant heat back to you, Thermolite® insulation prevents convective heat loss
  • Lighter, quieter and durable 30D / 40D face fabric with Sea to Summit’s liquid-extruded lamination is quiet, durable and extremely reliable.
  • Patent-pending multi-function valve and supplied Airstream Pump™/stuff sack mean quick and easy inflation, deflation and adjustment.
  • PillowLock™ included preventing your Aeros™ Pillow from slipping
Recommended Use Backpacking, Bike Touring/Bikepacking
Sleeping Pad Type Air Pad
Sleeping Pad Shape Mummy
R-Value 3.2
Seasons Three Season
Weight - Regular 0.490 kg / 17.3 oz
Weight - Large 0.625 kg / 22 oz
Pad Thickness 10.0cm / 4.0"
Dimensions - Regular 183 x 55 cm / 72 x 21.5"
Dimensions - Large 198 x 64 cm / 78 x 25"
Packed Size Regular 11 x 24 cm / 4.5 x 9.5"
packed Size Large 12 x 28 cm / 4.75 x 11"
Whats Included Stuff Sack w/ Airstream
Pump, Repair Kit, PillowLock
Limited Lifetime
All Sea to Summit products carry a lifetime warranty against defects in workmanship
and materials to the original owner for the intended life of the product under normal use
with proof of purchase from an authorized Sea to Summit reseller.
Store with valves open
Do not store in stuff sack
Ensure pad is dry before storing
Store flat with as few folds as possible
Keep pad away from insect repellant/fire
Clean with sponge and warm soapy water
Repair using included repair kit or Gear Aid Seam Grip
To remove pad odours use Grangers Odour Eliminator.


Sea to Summit - Air Sprung Cells™

Part Numbers

Option UPC MPN Store SKU
Regular Wide 9327868096657 941 SLE604949620
Large 9327868096640 940 9327868131402