# Big Agnes Rapide SL Insulated vs REI Co-op Helix Insulated: specs and price compared

A sourced, side-by-side comparison of the Big Agnes Rapide SL Insulated (Big Agnes) 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 | Big Agnes Rapide SL Insulated | REI Co-op Helix Insulated |
| --- | --- | --- |
| US price | $169.95 | $169 |
| Brand | Big Agnes | REI Co-op |
| R value | 4.8 | 4.9 |
| Pad type | air | air |
| Weight grams | — | — |
| Thickness (cm) | 9 | — |
| Dimensions (cm) | — | 182.88 x 50.8 |
| Packed size (cm) | — | 25.4 x 12.7 |
| Insulation type | reflective-film | reflective-film |
| Inflation type | pump-sack | pump-sack |
| Shell denier | — | 30 |
| Shape | rectangular | mummy |

## Key differences

- R value: Big Agnes Rapide SL Insulated 4.8 vs REI Co-op Helix Insulated 4.9
- Shape: Big Agnes Rapide SL Insulated rectangular vs REI Co-op Helix Insulated mummy

## Sources

- Big Agnes Rapide SL Insulated: https://www.bigagnes.com/products/rapide-sl-insulated (bigagnes.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/big-agnes-rapide-sl-insulated-vs-rei-co-op-helix-insulated/
Cite: Per The Front Desk Review, Big Agnes Rapide SL Insulated ($169.95) vs REI Co-op Helix Insulated ($169) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/sleeping-pads/big-agnes-rapide-sl-insulated-vs-rei-co-op-helix-insulated/
License: CC BY 4.0.