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Cumulus Aerial 250 vs Loco Libre Operator Series Ghost Pepper 20

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

Cumulus Aerial 250 is the lighter option — 226 g lighter than the Loco Libre Operator Series Ghost Pepper 20 (37% less weight). If grams matter to you, that is the one to beat.
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Spec Cumulus Aerial 250 Loco Libre Operator Series Ghost Pepper 20
Weight 385 g · 0.385 kg · 0.85 lb 611 g · 0.611 kg · 1.35 lb
Brand Cumulus Loco Libre
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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Loco Libre Operator Series Ghost Pepper 20
611 g

20-degree ultralight quilt with premium down insulation and excellent warmth-to-weight ratio.

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Cumulus Aerial 250 vs Loco Libre Operator Series Ghost Pepper 20: which should you buy?

If saving weight is your priority, the Cumulus Aerial 250 wins — at 385 g it is 226 g (37%) lighter than the Loco Libre Operator Series Ghost Pepper 20 (611 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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