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Marmot Plasma 15°F vs REI Co-op Magma 15
Weight and specs compared for 2026 — and which one to choose.
Both weigh the same at 850 g, so choose on features, price and fit.
Marmot Plasma 15°F vs REI Co-op Magma 15: which should you buy?
On weight these two are identical (850 g), so your decision comes down to features, fit and price. Check the full details and current price for each above.
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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