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Katabatic Gear Alsek 22°F vs Therm-a-Rest NeoAir UberLite

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

Therm-a-Rest NeoAir UberLite is the lighter option — 204 g lighter than the Katabatic Gear Alsek 22°F (45% less weight). If grams matter to you, that is the one to beat.
Spec Katabatic Gear Alsek 22°F Therm-a-Rest NeoAir UberLite
Weight 454 g · 0.454 kg · 1.00 lb 250 g · 0.250 kg · 0.55 lb
Brand Katabatic Gear Therm-a-Rest
Category Sleep System Sleep System
Katabatic Gear Alsek 22°F
454 g

Premium 850-fill down sleeping quilt rated to 22°F.

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Therm-a-Rest NeoAir UberLite
250 g

Lightest NeoAir pad. R-value 2.0 for warm conditions.

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Katabatic Gear Alsek 22°F vs Therm-a-Rest NeoAir UberLite: which should you buy?

If saving weight is your priority, the Therm-a-Rest NeoAir UberLite wins — at 250 g it is 204 g (45%) lighter than the Katabatic Gear Alsek 22°F (454 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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