Sea to Summit Aeros Ultralight Pillow vs Sea to Summit Ether Light XT
Weight and specs compared for 2026 — and which one to choose.
Lightest backpacking pillow at 2.1 oz. Compresses down to baseball size for ultralight trips.
Full details →Ultralight air sleeping pad with 3D construction for comfort.
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Sea to Summit Aeros Ultralight Pillow vs Sea to Summit Ether Light XT: which should you buy?
If saving weight is your priority, the Sea to Summit Aeros Ultralight Pillow wins — at 59 g it is 376 g (86%) lighter than the Sea to Summit Ether Light XT (435 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.