Best Sleeping Bags · head-to-head

The North Face Cat's Meow 20 Eco Sleeping Bag vs Sea to Summit Spark SpII Ultralight Down Sleeping Bag

A sourced, side-by-side comparison. The North Face Cat's Meow 20 Eco Sleeping Bag is cheaper at $200. Every spec and price links to its source.

Which is better: the The North Face Cat's Meow 20 Eco Sleeping Bag or Sea to Summit Spark SpII Ultralight Down Sleeping Bag?

The Sea to Summit Spark SpII Ultralight Down Sleeping Bag wins 1 of the 1 specs we compare head to head; the other wins 0. The The North Face Cat's Meow 20 Eco Sleeping Bag is the cheaper at $200. Get the Sea to Summit Spark SpII Ultralight Down Sleeping Bag for the stronger spec sheet, the The North Face Cat's Meow 20 Eco Sleeping Bag to spend less.

As an Amazon Associate we earn from qualifying purchases. Prices verified at capture; live price may differ.

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec The North Face Cat's Meow 20 Eco Sleeping Bag Sea to Summit Spark SpII Ultralight Down Sleeping Bag
US price $200 $409
BrandThe North FaceSea 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 — The North Face Cat's Meow 20 Eco Sleeping Bag: rei.com (verified 2026-06-20). Sea to Summit Spark SpII Ultralight Down Sleeping Bag: advnture.com (verified 2026-06-20).

What's the difference between the The North Face Cat's Meow 20 Eco Sleeping Bag and Sea to Summit 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: The North Face Cat's Meow 20 Eco Sleeping Bag 20 vs Sea to Summit Spark SpII Ultralight Down Sleeping Bag 28
  • Insulation type: The North Face Cat's Meow 20 Eco Sleeping Bag synthetic vs Sea to Summit Spark SpII Ultralight Down Sleeping Bag down
  • Packed weight (lb): The North Face Cat's Meow 20 Eco Sleeping Bag 2.71 vs Sea to Summit Spark SpII Ultralight Down Sleeping Bag 1.17
  • Packed size: The North Face Cat's Meow 20 Eco Sleeping Bag 10 x 18 in vs Sea to Summit Spark SpII Ultralight Down Sleeping Bag 2.5 L (approx. 1-liter bottle size)
  • Product note: The North Face 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 Sea to Summit 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

← All sleeping bags compared · Open data