The North Face
Cat's Meow 20 Eco Sleeping Bag
$200Cheaper
Best Sleeping Bags · head-to-head
Cat's Meow 20 Eco Sleeping Bag vs Spark SpII Ultralight Down Sleeping Bag
A sourced, side-by-side comparison. Cat's Meow 20 Eco Sleeping Bag is cheaper at $200. Every spec and price links to its source.
Sea to Summit
Spark SpII Ultralight Down Sleeping Bag
$409
Which is better: the Cat's Meow 20 Eco Sleeping Bag or Spark SpII Ultralight Down Sleeping Bag?
The Spark SpII Ultralight Down Sleeping Bag wins 1 of the 1 specs we compare head to head; the other wins 0. The Cat's Meow 20 Eco Sleeping Bag is the cheaper at $200. Get the Spark SpII Ultralight Down Sleeping Bag for the stronger spec sheet, the Cat's Meow 20 Eco Sleeping Bag to spend less.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Cat's Meow 20 Eco Sleeping Bag | Spark SpII Ultralight Down Sleeping Bag |
|---|---|---|
| US price | $200 | $409 |
| Brand | The North Face | Sea to Summit |
| Released | — | — |
| Temperature rating f | 20 | 28 |
| Insulation type | synthetic | down |
| Fill power | — | 850 |
| Shape | mummy | mummy |
| Packed weight (lb) | 2.71 | 1.17 |
| Packed size | 10 x 18 in | 2.5 L (approx. 1-liter bottle size) |
| Zipper side | — | — |
| Product note | Heatseeker Eco recycled synthetic insulation; ISO comfort 30F, lower limit 21F; pad-attachment system; regular weight 1,231 g | Lower limit 28F / -2C; comfort 38F / 4C; Ultra-Dry Down PFAS-free treatment; regular size; 530 g / 18.7 oz |
Sources — Cat's Meow 20 Eco Sleeping Bag: rei.com (verified 2026-06-20). Spark SpII Ultralight Down Sleeping Bag: advnture.com (verified 2026-06-20).
What's the difference between the Cat's Meow 20 Eco Sleeping Bag and Spark SpII Ultralight Down Sleeping Bag?
Where the two actually differ on the specs we track (5 of 8). Matching specs are omitted.
- Temperature rating f: Cat's Meow 20 Eco Sleeping Bag 20 vs Spark SpII Ultralight Down Sleeping Bag 28
- Insulation type: Cat's Meow 20 Eco Sleeping Bag synthetic vs Spark SpII Ultralight Down Sleeping Bag down
- Packed weight (lb): Cat's Meow 20 Eco Sleeping Bag 2.71 vs Spark SpII Ultralight Down Sleeping Bag 1.17
- Packed size: Cat's Meow 20 Eco Sleeping Bag 10 x 18 in vs Spark SpII Ultralight Down Sleeping Bag 2.5 L (approx. 1-liter bottle size)
- Product note: Cat's Meow 20 Eco Sleeping Bag Heatseeker Eco recycled synthetic insulation; ISO comfort 30F, lower limit 21F; pad-attachment system; regular weight 1,231 g vs Spark SpII Ultralight Down Sleeping Bag Lower limit 28F / -2C; comfort 38F / 4C; Ultra-Dry Down PFAS-free treatment; regular size; 530 g / 18.7 oz