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Cumulus Panyam 600 vs Exped SynMat HL Winter

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

Exped SynMat HL Winter is the lighter option — 289 g lighter than the Cumulus Panyam 600 (30% less weight). If grams matter to you, that is the one to beat.
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Spec Cumulus Panyam 600 Exped SynMat HL Winter
Weight 969 g · 0.969 kg · 2.14 lb 680 g · 0.680 kg · 1.50 lb
Brand Cumulus Exped
Category Sleep System Sleep System
Cumulus Panyam 600
969 g

3-season down sleeping bag with 600g 850 fill power Polish goose down, Pertex Quantum shell, comfort -6°C/limit -13°C, trapezoid chambers

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Exped SynMat HL Winter
680 g

4-season inflatable pad with R-value 8.0.

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Cumulus Panyam 600 vs Exped SynMat HL Winter: which should you buy?

If saving weight is your priority, the Exped SynMat HL Winter wins — at 680 g it is 289 g (30%) lighter than the Cumulus Panyam 600 (969 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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