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Exped DeepSleep Mat 7.5 vs Marmot Plasma 15°F

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

Marmot Plasma 15°F is the lighter option — 170 g lighter than the Exped DeepSleep Mat 7.5 (17% less weight). If grams matter to you, that is the one to beat.
Spec Exped DeepSleep Mat 7.5 Marmot Plasma 15°F
Weight 1,020 g · 1.020 kg · 2.25 lb 850 g · 0.850 kg · 1.87 lb
Brand Exped Marmot
Category Sleep System Sleep System
Exped DeepSleep Mat 7.5
1,020 g

Self-inflating comfort pad with 7.5cm foam core.

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Marmot Plasma 15°F
850 g

800-fill down sleeping bag rated to 15°F (-9°C).

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Exped DeepSleep Mat 7.5 vs Marmot Plasma 15°F: which should you buy?

If saving weight is your priority, the Marmot Plasma 15°F wins — at 850 g it is 170 g (17%) lighter than the Exped DeepSleep Mat 7.5 (1,020 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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