# Exped Ultra 6.5R vs REI Co-op Helix Insulated: specs and price compared

A sourced, side-by-side comparison of the Exped Ultra 6.5R (Exped) and REI Co-op Helix Insulated (REI Co-op) among sleeping pads. REI Co-op Helix Insulated is the cheaper of the two at $169.

## Side by side

| Spec | Exped Ultra 6.5R | REI Co-op Helix Insulated |
| --- | --- | --- |
| US price | $199.95 | $169 |
| Brand | Exped | REI Co-op |
| R value | 6.9 | 4.9 |
| Pad type | air | air |
| Weight grams | 440 | — |
| Thickness (cm) | 9 | — |
| Dimensions (cm) | 183 x 52 | 182.88 x 50.8 |
| Packed size (cm) | 23 x 11 | 25.4 x 12.7 |
| Insulation type | synthetic-fill | reflective-film |
| Inflation type | pump-sack | pump-sack |
| Shell denier | 20 | 30 |
| Shape | rectangular | mummy |

## Key differences

- R value: Exped Ultra 6.5R 6.9 vs REI Co-op Helix Insulated 4.9
- Dimensions (cm): Exped Ultra 6.5R 183 x 52 vs REI Co-op Helix Insulated 182.88 x 50.8
- Packed size (cm): Exped Ultra 6.5R 23 x 11 vs REI Co-op Helix Insulated 25.4 x 12.7
- Insulation type: Exped Ultra 6.5R synthetic-fill vs REI Co-op Helix Insulated reflective-film
- Shell denier: Exped Ultra 6.5R 20 vs REI Co-op Helix Insulated 30
- Shape: Exped Ultra 6.5R rectangular vs REI Co-op Helix Insulated mummy

## Sources

- Exped Ultra 6.5R: https://www.exped.com/en/products/sleeping-mats/ultra-65r (exped.com, verified 2026-07-11)
- REI Co-op Helix Insulated: https://www.rei.com/product/202288/rei-co-op-helix-insulated-air-sleeping-pad (rei.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/sleeping-pads/exped-ultra-6-5r-vs-rei-co-op-helix-insulated/
Cite: Per The Front Desk Review, Exped Ultra 6.5R ($199.95) vs REI Co-op Helix Insulated ($169) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/sleeping-pads/exped-ultra-6-5r-vs-rei-co-op-helix-insulated/
License: CC BY 4.0.