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Big Agnes Fly Creek UL Quilt vs Western Mountaineering AstraLite 26°F Sleeping Bag

Weight and specs compared for 2026 — and which one to choose.

Big Agnes Fly Creek UL Quilt is the lighter option — 62 g lighter than the Western Mountaineering AstraLite 26°F Sleeping Bag (13% less weight). If grams matter to you, that is the one to beat.
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Spec Big Agnes Fly Creek UL Quilt Western Mountaineering AstraLite 26°F Sleeping Bag
Weight 434 g · 0.434 kg · 0.96 lb 496 g · 0.496 kg · 1.09 lb
Brand Big Agnes Western Mountaineering
Category Sleep System Sleep System
Big Agnes Fly Creek UL Quilt
434 g

Ultralight backpacking quilt with 850-fill DownTek water-repellent down and 227g fill weight. Packable and versatile for three-season use.

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Western Mountaineering AstraLite 26°F Sleeping Bag
496 g

Premium 26°F sleeping bag with 850-fill ethically sourced goose down. Continuous-baffle construction eliminates cold spots.

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Big Agnes Fly Creek UL Quilt vs Western Mountaineering AstraLite 26°F Sleeping Bag: which should you buy?

If saving weight is your priority, the Big Agnes Fly Creek UL Quilt wins — at 434 g it is 62 g (13%) lighter than the Western Mountaineering AstraLite 26°F Sleeping Bag (496 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.

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