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Sea to Summit Spark Pro Down Sleeping Bag vs UGQ Bandit 20

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

UGQ Bandit 20 is the lighter option — 113 g lighter than the Sea to Summit Spark Pro Down Sleeping Bag (15% less weight). If grams matter to you, that is the one to beat.
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Spec Sea to Summit Spark Pro Down Sleeping Bag UGQ Bandit 20
Weight 765 g · 0.765 kg · 1.69 lb 652 g · 0.652 kg · 1.44 lb
Brand Sea to Summit UGQ
Category Sleep System Sleep System
Sea to Summit Spark Pro Down Sleeping Bag
765 g

Ultralight down sleeping bag at 765g with 900+ fillpower RDS-certified down, 15°F rating and Free-Flow Zip system for versatility.

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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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Sea to Summit Spark Pro Down Sleeping Bag vs UGQ Bandit 20: which should you buy?

If saving weight is your priority, the UGQ Bandit 20 wins — at 652 g it is 113 g (15%) lighter than the Sea to Summit Spark Pro Down Sleeping Bag (765 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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