Feathered Friends Flicker UL 20 vs Sea to Summit Ether Light XT
Weight and specs compared for 2026 — and which one to choose.
Hoodless 20F quilt/bag hybrid with 950+ fill down, full-length zip and cinchable footbox; 10D shell (regular).
Full details →Ultralight air sleeping pad with 3D construction for comfort.
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Feathered Friends Flicker UL 20 vs Sea to Summit Ether Light XT: which should you buy?
If saving weight is your priority, the Sea to Summit Ether Light XT wins — at 435 g it is 279 g (39%) lighter than the Feathered Friends Flicker UL 20 (714 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.