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Sea to Summit Etherlight XT Insulated Mat Large

Sea to Summit Etherlight XT Insulated Mat Large

Sea to Summit Etherlight XT Insulated Mat Large
Sea to Summit Etherlight XT Insulated Mat Large
Sea to Summit Etherlight XT Insulated Mat Large

Campaign price
203,69 + delivery costs
Lowest price within 30 days 203,69 €
Offer ends in
Normal price 235,90 €
Incl. VAT 24 %


Available in stock
Store (Helsinki)on-shelf2 pcs immediately
Store (Helsinki)in stockover 5 pcs immediately
Available in the webstoreover 5 pcs immediately

See also
Mammut Ergonomic Pillow CFT
+32,90 €


Detailed availability

Location Store (Helsinki): Trekking, 10, warehouse

Overall rating ()

Product description

When Sea to Summit set out to design a mat that was better than what was already available, they ultimately went back to why we carry a sleeping mat into the wild in the first place — to give us a better night’s sleep. ‘Better’ is of course a very subjective ambition and while Sea to Summit could have made the lightest, or the most compact mat ever designed, they're stoked to present what they consider to be the most comfortable sleeping mattresses available. Happy sleeping!

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

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


Width: 64cm
Height/Depth: 10cm
Weight: 625g
R Value: 3.2
Rolled Size: ø13 x 28cm


100% nylon
Valve: 100% TPU
Insulation: 100% polyester
Stuff Sack: 100% nylon

The approximate size of the packed product or the sales package is 300 x 299 x 200 mm.

Synthetic fiber

198 cm


10 cm

64 cm

0,625 kg
(with sales package 0,7 kg)

24 month(s)

Country of origin

Anonymous verified buyer, 3.7.2024
Overall rating
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It started to leak indistinctly, it is now at the factory in tests, we will see how long it lasts.
Hanna L. verified buyer, 19.6.2024
Overall rating
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Easy to fill. It's a little thinner than promised, but keeps a woman's pelvis off the ground. Light and fits into a small space.
Erik J. verified buyer, 2.4.2024
Overall rating
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Fantastically comfortable and quiet sleeping pad. Easy to inflate with the included bag. Five stars if it had a better R-value and was 100 grams lighter.
Jasper K. verified buyer, 18.2.2024
Overall rating
Fast delivery. High quality product in nice case. Love the inflating bag that comes with it.
Janar T. verified buyer, 7.1.2024
Overall rating
I haven't tried it out yet in real camping situation but this mat seems to be really comfortable. I am a side sleeper and can't sleep on thin mats. This mat wit its 10 cm thickness gives me enough support and is wide enough. Pumping it up is quick and easy.
Juha J. verified buyer, 30.9.2023
Overall rating
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A conveniently sized sleeping pad and comfortably thick. The material does seem quite thin, so the durability of the base remains to be seen.
Anonymous verified buyer, 27.8.2023
Overall rating
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Comfortable mattress, even when lying on your side, your hip does not hit the ground.
Rasmus P. verified buyer, 25.8.2023
Overall rating
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Good product, the surface maybe a bit slippery with Marmot's down flavor bag.
Noora O. verified buyer, 15.8.2023
Overall rating
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Scratches surprisingly a lot, may disturb others in the desert hut. Extremely easy to fill and empty. The material seems durable.
Anonymous verified buyer, 1.8.2023
Overall rating
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Ingenious product 👍. Goes into such a small space empty. Pleasant sleep.
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