# REI Co-op Magma 30 Sleeping Bag: specs and price

**Price (US):** $349 at rei.com (Current MSRP per rei.com and multiple 2025-2026 sources), as of 2026-06-27. A sourced, dated price of record — other retailers (incl. Amazon) may be lower. Among the 17 sleeping bags we track it is #12 cheapest of 17; category median $200.
**Brand:** REI Co-op
**Deskmark:** Bronze Deskmark — pay-blind category standing 51/100, #9 of 13 in class (independent, computed from sourced data, never for sale).
**Price tracked since:** June 2026

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | $349 |
| Brand | REI Co-op |
| Temperature rating f | 30 |
| Insulation type | down |
| Fill power | 850 |
| Shape | mummy |
| Packed weight (lb) | 1.25 |
| Packed size | 6 x 13 in |
| Zipper side | left |
| Product note | 850 FP hydrophobic goose down; 15D Pertex Quantum shell; insulated yoke; trapezoidal footbox; ISO comfort 34F, lower limit 24F; regular weight ~1 lb 4 oz |

## Where it stands

At $349, the REI Co-op Magma 30 Sleeping Bag is #12 cheapest of the 17 sleeping bags we track, where the median is $249.95. On the spec sheet, its temperature rating f of 30 is the highest of the 19, its packed weight of 1.25 lb is below the median of the 13, and its fill power of 850 is at the median of the 11.

## Frequently asked questions

**How much does the REI Co-op Magma 30 Sleeping Bag cost?**

The REI Co-op Magma 30 Sleeping Bag has a US price of $349 (Current MSRP per rei.com and multiple 2025-2026 sources), as of 2026-06-20.

**How does the REI Co-op Magma 30 Sleeping Bag compare on price?**

At $349, the REI Co-op Magma 30 Sleeping Bag is #12 cheapest of the 17 sleeping bags we track, where the median is $249.95.

**What are the REI Co-op Magma 30 Sleeping Bag's key specs?**

REI Co-op Magma 30 Sleeping Bag (REI Co-op): temperature rating f 30, insulation type down, fill power 850, shape mummy, packed weight lb 1.25. Full sourced spec sheet verified 2026-06-20.

Source: https://www.rei.com/product/228707/rei-co-op-magma-30-sleeping-bag (rei.com, accessed 2026-06-20)
Corroboration: https://backpackinglight.com/rei-magma-30-sleeping-bag-review/ (accessed 2026-06-20)
Canonical: https://frontdeskreview.com/product/sleeping-bags/rei-coop-magma-30/
Cite: Per The Front Desk Review, the REI Co-op Magma 30 Sleeping Bag price of record was $349 as of 2026-06-20 — https://frontdeskreview.com/product/sleeping-bags/rei-coop-magma-30/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl