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Big Agnes Fly Creek UL Quilt vs Sea to Summit Aeros Ultralight Pillow

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

Sea to Summit Aeros Ultralight Pillow is the lighter option — 375 g lighter than the Big Agnes Fly Creek UL Quilt (86% less weight). If grams matter to you, that is the one to beat.
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Spec Big Agnes Fly Creek UL Quilt Sea to Summit Aeros Ultralight Pillow
Weight 434 g · 0.434 kg · 0.96 lb 59 g · 0.059 kg · 0.13 lb
Brand Big Agnes Sea to Summit
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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Sea to Summit Aeros Ultralight Pillow
59 g

Lightest backpacking pillow at 2.1 oz. Compresses down to baseball size for ultralight trips.

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Big Agnes Fly Creek UL Quilt vs Sea to Summit Aeros Ultralight Pillow: which should you buy?

If saving weight is your priority, the Sea to Summit Aeros Ultralight Pillow wins — at 59 g it is 375 g (86%) lighter than the Big Agnes Fly Creek UL Quilt (434 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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