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Ether Light XT Insulated Sleeping Mat Unisex Regular Rectangular Wide

Ether Light XT Insulated Sleeping Mat Unisex Regular Rectangular Wide


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Regular price $199.95 USD
Regular price Sale price $199.95 USD
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Ether Light XT Insulated Air Sleeping Mat



  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.

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


Is this Air Sleeping Mat…?

  • 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.