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Exped Ultra 6.5R Sleeping Pad (Medium Mummy) vs Nemo Disco 15°F

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

Exped Ultra 6.5R Sleeping Pad (Medium Mummy) is the lighter option — 850 g lighter than the Nemo Disco 15°F (71% less weight). If grams matter to you, that is the one to beat.
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Spec Exped Ultra 6.5R Sleeping Pad (Medium Mummy) Nemo Disco 15°F
Weight 340 g · 0.340 kg · 0.75 lb 1,190 g · 1.190 kg · 2.62 lb
Brand Exped Nemo
Category Sleep System Sleep System
Exped Ultra 6.5R Sleeping Pad (Medium Mummy)
340 g

Lightweight insulated sleeping pad with leading weight-to-warmth ratio. Medium mummy size, 340g, perfect for all-season ultralight backpacking

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Nemo Disco 15°F
1,190 g

Spoon-shaped sleeping bag for side sleepers. 650-fill down.

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Exped Ultra 6.5R Sleeping Pad (Medium Mummy) vs Nemo Disco 15°F: which should you buy?

If saving weight is your priority, the Exped Ultra 6.5R Sleeping Pad (Medium Mummy) wins — at 340 g it is 850 g (71%) lighter than the Nemo Disco 15°F (1,190 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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