Sea To Summit Ether Light XT Extreme

The Sea To Summit Ether Light XT Extreme is an insulated and comfortable air mattress. It is 10cm thick and has an R-Value of 6.2, making it suitable for winter camping.

Technically, this sleeping pad is equipped with Air Sprung cells that deform independently and allow the mattress to follow the shape of your body. These cells provide support and comfort by distributing the pressure over the entire surface of the mattress.

To achieve a 10cm thickness, Sea To Summit uses TPU loops to connect the top and bottom layers of fabric. These loops create larger air pockets when the mattress is fully inflated.

To improve insulation, Sea To Summit has interspersed several layers of Primaloft synthetic fibres. The outer shell is made of 30 and 40 denier nylon fabric. The inner materials have been treated with an anti-microbial treatment to prevent the growth of mould.

The mattress is equipped with a unique multi-functional flat valve that does not protrude from the mattress:

• Inflation: possibility to adjust the pressure of the mattress according to your comfort needs.


• Deflating: full opening for a quick vacuum.

To facilitate inflation, the mattress is delivered with a storage bag that acts as a pump bag. Simply trap the air in the bag and then expel it into the mattress cells. This feature facilitates and avoids sending wet air into the tyre.

At the head end, the PillowLock attachment allows you to attach a Sea to Summit Aeros pillow to your mattress to keep it in place all night. (Pillow sold separately).