# Nemo Tensor All-Season vs Sea to Summit Ether Light XT Insulated: specs and price compared

A sourced, side-by-side comparison of the Nemo Tensor All-Season (Nemo) and Sea to Summit Ether Light XT Insulated (Sea to Summit) among sleeping pads. Sea to Summit Ether Light XT Insulated is the cheaper of the two at $199.

## Side by side

| Spec | Nemo Tensor All-Season | Sea to Summit Ether Light XT Insulated |
| --- | --- | --- |
| US price | $219.95 | $199 |
| Brand | Nemo | Sea to Summit |
| R value | 5.4 | 3.2 |
| Pad type | air | air |
| Weight grams | — | 490 |
| Thickness (cm) | 9 | 10 |
| Dimensions (cm) | 183 x 51 | 183 x 55 |
| Packed size (cm) | 25.5 x 10 | 24 x 11 |
| Insulation type | reflective-film | synthetic-fill |
| Inflation type | pump-sack | pump-sack |
| Shell denier | 20 | 30 |
| Shape | rectangular | mummy |

## Key differences

- R value: Nemo Tensor All-Season 5.4 vs Sea to Summit Ether Light XT Insulated 3.2
- Thickness (cm): Nemo Tensor All-Season 9 vs Sea to Summit Ether Light XT Insulated 10
- Dimensions (cm): Nemo Tensor All-Season 183 x 51 vs Sea to Summit Ether Light XT Insulated 183 x 55
- Packed size (cm): Nemo Tensor All-Season 25.5 x 10 vs Sea to Summit Ether Light XT Insulated 24 x 11
- Insulation type: Nemo Tensor All-Season reflective-film vs Sea to Summit Ether Light XT Insulated synthetic-fill
- Shell denier: Nemo Tensor All-Season 20 vs Sea to Summit Ether Light XT Insulated 30
- Shape: Nemo Tensor All-Season rectangular vs Sea to Summit Ether Light XT Insulated mummy

## Sources

- Nemo Tensor All-Season: https://www.nemoequipment.com/products/tensor-all-season-insulated-sleeping-pad (nemoequipment.com, verified 2026-07-11)
- Sea to Summit Ether Light XT Insulated: https://seatosummit.com/pages/ether-light-xt-insulated-sleeping-pad (seatosummit.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/sleeping-pads/nemo-tensor-all-season-vs-sea-to-summit-ether-light-xt-insulated/
Cite: Per The Front Desk Review, Nemo Tensor All-Season ($219.95) vs Sea to Summit Ether Light XT Insulated ($199) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/sleeping-pads/nemo-tensor-all-season-vs-sea-to-summit-ether-light-xt-insulated/
License: CC BY 4.0.