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Cumulus Aerial 250 vs Klymit Insulated Static V Lite Sleeping Pad

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

Cumulus Aerial 250 is the lighter option — 170 g lighter than the Klymit Insulated Static V Lite Sleeping Pad (31% less weight). If grams matter to you, that is the one to beat.
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Spec Cumulus Aerial 250 Klymit Insulated Static V Lite Sleeping Pad
Weight 385 g · 0.385 kg · 0.85 lb 555 g · 0.555 kg · 1.22 lb
Brand Cumulus Klymit
Category Sleep System Sleep System
Cumulus Aerial 250
385 g

Ultralight down sleeping bag with 900 FP goose down, single-layer design with no zipper, perfect for thru-hiking and backpacking.

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Klymit Insulated Static V Lite Sleeping Pad
555 g

Ultralight insulated air pad at 555g with R-value around 4.4, weighing just 19.6oz for comfortable three-season backpacking.

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Cumulus Aerial 250 vs Klymit Insulated Static V Lite Sleeping Pad: which should you buy?

If saving weight is your priority, the Cumulus Aerial 250 wins — at 385 g it is 170 g (31%) lighter than the Klymit Insulated Static V Lite Sleeping Pad (555 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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