# Sea to Summit Ether Light XT Insulated: specs and price

**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.), as of 2026-07-11. Among the 10 sleeping pads we track it is #6 cheapest of 10; category median $184.
**Brand:** Sea to Summit
**Deskmark:** Bronze Deskmark — pay-blind category standing 0/100, #7 of 7 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $199 |
| Brand | Sea to Summit |
| 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 |

## Where it stands

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.

## 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.

Source: https://seatosummit.com/pages/ether-light-xt-insulated-sleeping-pad (seatosummit.com, accessed 2026-07-11)
Corroboration: https://ascentoutdoors.com/products/sea-to-summit-ether-light-xt-insulated-sleeping-mat (accessed 2026-07-11)
Canonical: https://frontdeskreview.com/product/sleeping-pads/sea-to-summit-ether-light-xt-insulated/
Cite: Per The Front Desk Review, the Sea to Summit Ether Light XT Insulated price of record was $199 as of 2026-07-11 — https://frontdeskreview.com/product/sleeping-pads/sea-to-summit-ether-light-xt-insulated/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl