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The mattress Ether Light XT Air from Sea To Summit is a mattress that offers lightness and excellent comfort.
The Ether Light XT Air features technologyAir Sprung Cell™that provides air cells with greater capacity thanks to TPU mesh partitions that connect the fabric on the sleeper side to the fabric on the floor side. This design allows the two sides of the mattress to be spread further apart, creating larger air pockets when inflated, while using less fabric.
The mattress Ether Light XT Air has an R-value of 1.2, which does not provide much insulation and thus limits its use to one or two seasons.
The Ether Light XT Air comes with a storage bag that also serves as a pump. There is also a repair kit containing six self-adhesive puncture bearing patches and a replacement check valve to ensure long-lasting use of the product.


- Outer material: lightweight, quiet and with good grip 30/40D Nylon fabric
- Internal materials: 100% Nylon; Valve 100% TPU; Insulation: 100% Polyester
- Antimicrobial treatment Ultra-Fresh® in the TPU formula to prevent internal mould growth
- The high-flow multi-function valve allows for quick inflation, deflation and precise adjustment for personalised comfort.
- Includes a repair kit for easy puncture repair
- Includes a pump Airstream ™ integrated into the storage bag for quick and easy inflation
| TAILLES | Regular | Wide |
| DIMENSIONS (cm) | 183 x 55 | 198 x 64 |
| DIMENSIONS PLIÉE (cm) | 9 x 19 | 10 x 22 |
| POIDS (g) | 390 | 500 |
| INTEGRATED AIRSTREAM | TheAirstream Pumpsack is the high-volume mattress pump that Sea to Summit we have now integrated into the storage bag of each mattress Air Sprung Cell. The clever design opens at one end to store the air mattress, and the other end unfolds to become the integrated pump. TheAirstream Pumpsack can be inflated with a single breath, and it only takes two or three cycles to fill our mats. Not only is it quicker than inflating by mouth, but there is little condensation in the mattress and there is no dizziness from inflating the mattress directly by mouth. |
| ASTM F3340-18 R-VALUE TESTING | Since January 2020, we have been using the industry standard ASTM F3340-18 test to provide the R-values of our mats. |
| ETHER LIGHT XT AIR SPRUNG CELLS | Les Air Sprung Cells are the basic technology used in mattresses Sea to Summit , which is why you will sleep more comfortably on a mattress Sea to Summit than on a conventional air mattress. Inspired by the springs in a modern pocket spring mattress, dozens of interconnected chambers (called Air Sprung Cells) perfectly support your weight and adapt to the contours of your body. The range Ether Light uses TPU loops to connect the upper and lower welds. This creates a thick cell, giving you a plush sleeping experience without compromising the comfort of the Air Sprung cells Sea to Summit. |
| PILLOW LOCK SYSTEM | The system Pillow Lock includes self-adhesive hook-and-loop patches that are supplied with all sleeping mats Sea to Summit (from spring 2019 onwards). Attached to your sleeping mat, these patches secure your pillow and prevent it from slipping—without causing any adhesion or grip on clothes or other fabrics. |