Sea To Summit Women's Ether Light XT Insulated Sleeping Mat, R-Value 3.5, 495gm

Save $20.00

Model: Regular
Sale price$329.99 Regular price$349.99



The STS Women's Ether Light XT Insulated Mat has been designed and engineered for women with extra insulation, our lightest and thickest full size Air Sprung Cell™ Mat provides all-season warmth and comfort.

Specifically shaped and insulated to meet the needs of a woman's body.

A great mat for side sleepers with a thickness of 10cm when inflated. Well insulated for extra warmth with R-Value 3.5. Easily inflation and deflation with STS multi-function valve. And light weight 495g and compact packed size make it easy to carry.  

Larger air pockets are created by using many looped TPU baffles which connect the top and bottom fabric layers with our Air Sprung Cell™ dot weld pattern. The looped baffles allow the top and bottom layers to be positioned further apart creating larger pockets of air when inflated that require less fabric overall. Perfect for side sleepers, the extra height of this mat lets hips sink deeper into it without touching the ground.


  • Extra thick (XT) loop baffle Air Sprung Cells™
  • Ultra-Fresh® anti-microbial treatment to the TPU formula to prevent internal mould growth
  • Multi-function high flow-rate valve provides fast inflate, deflate and easy fine-tuning for personalised comfort
  • Included Pillow Lock™ system attaches Sea to Summit pillows to mat
  • Includes an Airstream™ Pump that is integrated into the stuff sack for quick and easy inflation
  • Featuring a women’s specific shape that is wider at the hip and narrower at the shoulder.
  • Refining lightweight cold-climate sleeping comfort, this mat combines a lightweight 30/40D Nylon fabric, Exkin Platinum® and THERMOLITE® insualtion with a loop baffle Air Sprung Cell™ construction to create a 10cm thick mat with an incredibly low weight.
  • Lightweight, quiet and grippy 30/40D Nylon fabric, field repairable with included self-adhesive patches
  • Exkin Platinum® is a very lightweight and quiet metallised fabric. Exkin Platinum® thermal technology reflects radiant heat back to the user
  • THERMOLITE® insulation lofts up inside the Air Sprung Cells™ to prevent convective heat loss from your warm body to the cold ground


  • Size: Regular
  • Length: 168cm
  • Width: 55cm
  • Height/Thickness: 10cm
  • Weight: 495g mat, 54g stuff sack/pump sack
  • R Value: 3.5 (new standard ASTM F3340-18 R-values)
  • Rolled Size: ø12 x 24cm
  • Mat: 100% nylon; Valve 100% TPU; Insulation: 100% polyester; Stuff Sack: 100% nylon

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