Sea to Summit · Updated July 2026
Sea to Summit Ether Light XT Insulated: price & specs
The Sea to Summit Ether Light XT Insulated costs $199, #6 cheapest of 10 sleeping pads (median $184). It earns a Bronze Deskmark — 0/100 pay-blind standing, #7 of 7 in class.
Verified Jul 11, 2026 · figures linked to their source in the table below
Sea to Summit Ether Light XT Insulated. Every price and spec below is linked to its source and dated — no guesses.
Source: seatosummit.com verified ✓ corroborated verify in ledger
Is the Sea to Summit Ether Light XT Insulated a good buy?
At $199, the Sea to Summit Ether Light XT Insulated is #6 cheapest of the 10 sleeping pads we track, where the median is $184. On the spec sheet, its weight grams of 490 is the highest of the 7, its thickness of 10 cm is the highest of the 9, and its shell denier of 30 is the highest of the 7.
Specifications
| Price (US) | $199 Authorized retailer Ascent Outdoors lists the Regular size at "$199" (verbatim). Manufacturer page shows a size/shape range of "$189 - $239" for the Ether Light XT Insulated line but no single Regular MSRP figure; $199 (Regular) sits within that range and is used as the sourced US price. |
|---|---|
| Brand | Sea to Summit |
| Released | — |
| R value | 3.2 |
| Pad type | air |
| Weight grams | 490 |
| Thickness (cm) | 10 |
| Dimensions (cm) | 183 x 55 |
| Packed size (cm) | 24 x 11 |
| Insulation type | synthetic-fill |
| Inflation type | pump-sack |
| Shell denier | 30 |
| Shape | mummy |
Source: seatosummit.com (verified 2026-07-11) · corroborated by ascentoutdoors.com. The Sea to Summit manufacturer page (Ether Light XT Insulated Air Sleeping Mat) confirms the exact unisex Insulated model via its "Regular Size Specs" block: R-Value 3.2 (distinct from the Extreme's 6.2 and Women's 3.5), weight 17.3 oz | 490 g, thickness 4 in | 10 cm, packed size 4.5 x 9.5 in | 11 x 24 cm; it lists a size/shape price range of $189 - $239. Ascent Outdoors (authorized retailer) corroborates the same model — R-Value 3.2, Air Pad, Mummy shape, 30D/40D face fabric, Synthetic (Thermolite/Exkin Platinum) insulation, supplied Airstream Pump, Regular dimensions 183 x 55 cm and 490 g — and lists the Regular size at $199, the figure used for priceUsd. Treeline Review (dated June 30, 2025) independently states R-Value 3.2, 4-inch thickness, Airstream Pumpsack inflation, and 30D/40D nylon fabric.
Is the Sea to Summit Ether Light XT Insulated worth it vs cheaper sleeping pads?
Sea to Summit Ether Light XT Insulated against its closest cheaper and pricier sleeping pads on the specs that matter — every value sourced. See all 10 ranked →
| Product | Price | R value | Pad type | Weight grams | Thickness (cm) | Dimensions (cm) |
|---|---|---|---|---|---|---|
| Sea to Summit Ether Light XT Insulated this | $199 | 3.2 | air | 490 | 10 | 183 x 55 |
| Big Agnes Rapide SL Insulated | $169.95 | 4.8 | air | — | 9 | — |
| Exped Ultra 6.5R | $199.95 | 6.9 | air | 440 | 9 | 183 x 52 |
Frequently asked questions
How much does the Sea to Summit Ether Light XT Insulated cost?
The Sea to Summit Ether Light XT Insulated has a US price of $199 (Authorized retailer Ascent Outdoors lists the Regular size at "$199" (verbatim). Manufacturer page shows a size/shape range of "$189 - $239" for the Ether Light XT Insulated line but no single Regular MSRP figure; $199 (Regular) sits within that range and is used as the sourced US price.), as of 2026-07-11.
How does the Sea to Summit Ether Light XT Insulated compare on price?
At $199, the Sea to Summit Ether Light XT Insulated is #6 cheapest of the 10 sleeping pads we track, where the median is $184.
What are the Sea to Summit Ether Light XT Insulated's key specs?
Sea to Summit Ether Light XT Insulated (Sea to Summit): rValue 3.2, padType air, weightGrams 490, thicknessCm 10, dimensionsCm 183 x 55. Full sourced spec sheet verified 2026-07-11.
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Head-to-head
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- Sea to Summit Ether Light XT Insulated vs Exped Ultra 6.5R
- Sea to Summit Ether Light XT Insulated vs Klymit Static V2
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Cheaper sleeping pads
- Big Agnes Rapide SL Insulated $169.95
- REI Co-op Helix Insulated $169
- Klymit Static V2 $75
- Nemo Switchback $59.95
- Therm-a-Rest Z Lite Sol $59.95
Step up
- Exped Ultra 6.5R $199.95
- Therm-a-Rest NeoAir XLite NXT $210
- Nemo Tensor All-Season $219.95
- Therm-a-Rest NeoAir XTherm NXT $230