Cumulus Panyam 600 vs Nemo Disco 15°F
Weight and specs compared for 2026 — and which one to choose.
3-season down sleeping bag with 600g 850 fill power Polish goose down, Pertex Quantum shell, comfort -6°C/limit -13°C, trapezoid chambers
Spoon-shaped sleeping bag for side sleepers. 650-fill down.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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Cumulus Panyam 600 vs Nemo Disco 15°F: which should you buy?
If saving weight is your priority, the Cumulus Panyam 600 wins — at 969 g it is 221 g (19%) 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.