Enlightened Equipment Convert 20 vs Marmot Hydrogen 30°F

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

Marmot Hydrogen 30°F is the lighter option — 63 g lighter than the Enlightened Equipment Convert 20 (8% less weight). If grams matter to you, that is the one to beat.

Spec	Enlightened Equipment Convert 20	Marmot Hydrogen 30°F
Weight	772 g · 0.772 kg · 1.70 lb	709 g · 0.709 kg · 1.56 lb
Brand	Enlightened Equipment	Marmot
Category	Sleep System	Sleep System

Enlightened Equipment Convert 20

772 g

Convertible 20-degree quilt with 850 fill water-repellent down that can be sealed into a full enclosure or opened flat.

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Marmot Hydrogen 30°F

709 g

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

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Enlightened Equipment Convert 20 vs Marmot Hydrogen 30°F: which should you buy?

If saving weight is your priority, the Marmot Hydrogen 30°F wins — at 709 g it is 63 g (8%) lighter than the Enlightened Equipment Convert 20 (772 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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