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Sea to Summit Aeros Ultralight Pillow vs Sea to Summit Ultralight Insulated

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

Sea to Summit Aeros Ultralight Pillow is the lighter option — 536 g lighter than the Sea to Summit Ultralight Insulated (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 Sea to Summit Ultralight Insulated
Weight 59 g · 0.059 kg · 0.13 lb 595 g · 0.595 kg · 1.31 lb
Brand Sea to Summit Sea to Summit
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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Sea to Summit Ultralight Insulated
595 g

Insulated inflatable pad with R-value 3.7.

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

If saving weight is your priority, the Sea to Summit Aeros Ultralight Pillow wins — at 59 g it is 536 g (90%) lighter than the Sea to Summit Ultralight Insulated (595 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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