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Loco Libre Operator Series Ghost Pepper 20 vs Rab Mythic Ultra 180 (32°F)

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

Rab Mythic Ultra 180 (32°F) is the lighter option — 211 g lighter than the Loco Libre Operator Series Ghost Pepper 20 (35% less weight). If grams matter to you, that is the one to beat.
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Spec Loco Libre Operator Series Ghost Pepper 20 Rab Mythic Ultra 180 (32°F)
Weight 611 g · 0.611 kg · 1.35 lb 400 g · 0.400 kg · 0.88 lb
Brand Loco Libre Rab
Category Sleep System Sleep System
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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Rab Mythic Ultra 180 (32°F)
400 g

Ultra-lightweight 3-season sleeping bag weighing just 14.1 oz (400g) with 900-fill hydrophobic goose down and titanium technology.

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Loco Libre Operator Series Ghost Pepper 20 vs Rab Mythic Ultra 180 (32°F): which should you buy?

If saving weight is your priority, the Rab Mythic Ultra 180 (32°F) wins — at 400 g it is 211 g (35%) 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.

More sleep system comparisons