Feathered Friends Flicker UL 20°F Quilt vs Sea to Summit Spark Pro Down 30
Weight and specs compared for 2026 — and which one to choose.
Ultralight down quilt with 950+ fill power and new Pertex Quantum Pro shell fabric, weighs just 543g for 20°F model.
Check price Full details →Ultralight mummy bag rated to 30F (-1C) with 950+ fill-power Ultra-Dry Down. 10-denier shell, shoulder and footbox zippers for temperature control.
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Feathered Friends Flicker UL 20°F Quilt vs Sea to Summit Spark Pro Down 30: which should you buy?
If saving weight is your priority, the Feathered Friends Flicker UL 20°F Quilt wins — at 543 g it is 76 g (12%) lighter than the Sea to Summit Spark Pro Down 30 (619 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.