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Big Agnes Rapide SL Insulated 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 — 290 g lighter than the Big Agnes Rapide SL Insulated (54% less weight). If grams matter to you, that is the one to beat.
Spec Big Agnes Rapide SL Insulated Therm-a-Rest NeoAir UberLite
Weight 540 g · 0.540 kg · 1.19 lb 250 g · 0.250 kg · 0.55 lb
Brand Big Agnes Therm-a-Rest
Category Sleep System Sleep System
Big Agnes Rapide SL Insulated
540 g

Insulated air sleeping pad (regular) with 4.2 R-value, 3.25in thickness and quilted top baffles for stable, warm backcountry comfort.

Check price Full details →
Therm-a-Rest NeoAir UberLite
250 g

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

Full details →

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Big Agnes Rapide SL Insulated 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 290 g (54%) lighter than the Big Agnes Rapide SL Insulated (540 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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