Hammock Gear Economy Burrow 20 vs Sea to Summit Spark Pro Down Sleeping Bag
Weight and specs compared for 2026 — and which one to choose.
Budget-friendly 20F backpacking quilt with 13.7oz of 850 fill duck down and 20D shell and liner. Includes ground attachment kit and zippered foot box.
Check price Full details →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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Hammock Gear Economy Burrow 20 vs Sea to Summit Spark Pro Down Sleeping Bag: which should you buy?
If saving weight is your priority, the Hammock Gear Economy Burrow 20 wins — at 731 g it is 34 g (4%) 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.