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Big Agnes Rapide SL Insulated vs Marmot Hydrogen 30°F

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

Big Agnes Rapide SL Insulated is the lighter option — 169 g lighter than the Marmot Hydrogen 30°F (24% less weight). If grams matter to you, that is the one to beat.
Spec Big Agnes Rapide SL Insulated Marmot Hydrogen 30°F
Weight 540 g · 0.540 kg · 1.19 lb 709 g · 0.709 kg · 1.56 lb
Brand Big Agnes Marmot
Category Sleep System Sleep System
Big Agnes Rapide SL Insulated
540 g

Insulated air sleeping pad (regular) with 4.2 R-value, 3.25in thickness and quilted top baffles for stable, warm backcountry comfort.

Check price Full details →
Marmot Hydrogen 30°F
709 g

Ultralight 800-fill down sleeping bag rated to 30°F.

Full details →

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Big Agnes Rapide SL Insulated vs Marmot Hydrogen 30°F: which should you buy?

If saving weight is your priority, the Big Agnes Rapide SL Insulated wins — at 540 g it is 169 g (24%) lighter than the Marmot Hydrogen 30°F (709 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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