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Sea to Summit Aeros Ultralight Pillow vs Therm-a-Rest NeoAir XLite NXT Regular

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

Sea to Summit Aeros Ultralight Pillow is the lighter option — 310 g lighter than the Therm-a-Rest NeoAir XLite NXT Regular (84% less weight). If grams matter to you, that is the one to beat.
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Spec Sea to Summit Aeros Ultralight Pillow Therm-a-Rest NeoAir XLite NXT Regular
Weight 59 g · 0.059 kg · 0.13 lb 369 g · 0.369 kg · 0.81 lb
Brand Sea to Summit Therm-a-Rest
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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Therm-a-Rest NeoAir XLite NXT Regular
369 g

Inflatable sleeping pad with R-value 4.5, 7.6cm thickness, Triangular Core Matrix baffles for warmth, and WingLock valve for fast inflation.

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Sea to Summit Aeros Ultralight Pillow vs Therm-a-Rest NeoAir XLite NXT Regular: which should you buy?

If saving weight is your priority, the Sea to Summit Aeros Ultralight Pillow wins — at 59 g it is 310 g (84%) lighter than the Therm-a-Rest NeoAir XLite NXT Regular (369 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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