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Feathered Friends Swallow YF 20°F vs Therm-a-Rest NeoAir XLite NXT

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

Therm-a-Rest NeoAir XLite NXT is the lighter option — 355 g lighter than the Feathered Friends Swallow YF 20°F (50% less weight). If grams matter to you, that is the one to beat.
Spec Feathered Friends Swallow YF 20°F Therm-a-Rest NeoAir XLite NXT
Weight 709 g · 0.709 kg · 1.56 lb 354 g · 0.354 kg · 0.78 lb
Brand Feathered Friends Therm-a-Rest
Category Sleep System Sleep System
Feathered Friends Swallow YF 20°F
709 g

Premium 950-fill down sleeping bag rated to 20°F.

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Therm-a-Rest NeoAir XLite NXT
354 g

Ultralight inflatable sleeping pad with R-value 4.5.

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Feathered Friends Swallow YF 20°F vs Therm-a-Rest NeoAir XLite NXT: which should you buy?

If saving weight is your priority, the Therm-a-Rest NeoAir XLite NXT wins — at 354 g it is 355 g (50%) lighter than the Feathered Friends Swallow YF 20°F (709 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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