Katabatic Gear Flex 15°F Quilt vs Zpacks Zip Around Sleeping Bag 20°F
Weight and specs compared for 2026 — and which one to choose.
Lightweight three-season quilt with 900 fill power goose down, patented pad attachment system, and down-filled collar. Regular size (6'), includes stuff sack an...
Full details →900-fill down sleeping bag with full-length side zipper for easy entry and temperature regulation. Rated to -7°C, excellent for thru-hikers seeking packable, ve...
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Katabatic Gear Flex 15°F Quilt vs Zpacks Zip Around Sleeping Bag 20°F: which should you buy?
If saving weight is your priority, the Zpacks Zip Around Sleeping Bag 20°F wins — at 612 g it is 111 g (15%) lighter than the Katabatic Gear Flex 15°F Quilt (723 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest sleep system page, or browse the full gear weight database.