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Exped Ultra 6.5R Sleeping Pad vs Rab Mythic Ultra 180 (32°F)

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

Exped Ultra 6.5R Sleeping Pad is the lighter option — 30 g lighter than the Rab Mythic Ultra 180 (32°F) (8% less weight). If grams matter to you, that is the one to beat.
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Spec Exped Ultra 6.5R Sleeping Pad Rab Mythic Ultra 180 (32°F)
Weight 370 g · 0.370 kg · 0.82 lb 400 g · 0.400 kg · 0.88 lb
Brand Exped Rab
Category Sleep System Sleep System
Exped Ultra 6.5R Sleeping Pad
370 g

Inflatable pad, 13oz, R-value 6.5, excellent insulation for all seasons

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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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Exped Ultra 6.5R Sleeping Pad vs Rab Mythic Ultra 180 (32°F): which should you buy?

If saving weight is your priority, the Exped Ultra 6.5R Sleeping Pad wins — at 370 g it is 30 g (8%) lighter than the Rab Mythic Ultra 180 (32°F) (400 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