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Marmot Hydrogen 30°F vs UGQ Bandit 20

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

UGQ Bandit 20 is the lighter option — 57 g lighter than the Marmot Hydrogen 30°F (8% less weight). If grams matter to you, that is the one to beat.
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Spec Marmot Hydrogen 30°F UGQ Bandit 20
Weight 709 g · 0.709 kg · 1.56 lb 652 g · 0.652 kg · 1.44 lb
Brand Marmot UGQ
Category Sleep System Sleep System
Marmot Hydrogen 30°F
709 g

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

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UGQ Bandit 20
652 g

Customizable ultralight quilt with 900-fill goose down. Overstuffed to 130% for superior warmth.

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Marmot Hydrogen 30°F vs UGQ Bandit 20: which should you buy?

If saving weight is your priority, the UGQ Bandit 20 wins — at 652 g it is 57 g (8%) 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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