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Sea to Summit Aeros Ultralight Pillow vs Zenbivy Ultralight Bed

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

Sea to Summit Aeros Ultralight Pillow is the lighter option — 508 g lighter than the Zenbivy Ultralight Bed (90% less weight). If grams matter to you, that is the one to beat.
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Spec Sea to Summit Aeros Ultralight Pillow Zenbivy Ultralight Bed
Weight 59 g · 0.059 kg · 0.13 lb 567 g · 0.567 kg · 1.25 lb
Brand Sea to Summit Zenbivy
Category Sleep System Sleep System
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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Zenbivy Ultralight Bed
567 g

Hybrid sleep system: a 482g down quilt plus an 85g fitted sheet that attaches to a sleeping pad for a traditional, draft-free bed-like sleeping experience.

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Sea to Summit Aeros Ultralight Pillow vs Zenbivy Ultralight Bed: which should you buy?

If saving weight is your priority, the Sea to Summit Aeros Ultralight Pillow wins — at 59 g it is 508 g (90%) lighter than the Zenbivy Ultralight Bed (567 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.

More sleep system comparisons