Cumulus Neo Quilt 300 vs Sea to Summit Ember Sleeping Bag
Weight and specs compared for 2026 — and which one to choose.
Ultralight 3-season quilt with 300g 900-fill goose down and closed footbox. Comfort rating -3°C. Features two-part strap system and adjustable draft collar for...
Full details →Three-season sleeping bag with 850+ UltraDry hydrophobic down, 5.1L pack size, and a rectangular zipper profile for comfort. Men's regular size.
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Cumulus Neo Quilt 300 vs Sea to Summit Ember Sleeping Bag: which should you buy?
If saving weight is your priority, the Cumulus Neo Quilt 300 wins — at 455 g it is 154 g (25%) lighter than the Sea to Summit Ember Sleeping Bag (609 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.