Hyperlite Mountain Gear 20-Degree Quilt (Regular) vs Sea to Summit Spark Pro Down 30
Weight and specs compared for 2026 — and which one to choose.
Ultralight 20F down quilt with 1000FP DWR-treated down, 7D ripstop shell, 3D baffles and pad attachment straps.
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.
Check price Full details →Hyperlite Mountain Gear 20-Degree Quilt (Regular) vs Sea to Summit Spark Pro Down 30: which should you buy?
If saving weight is your priority, the Hyperlite Mountain Gear 20-Degree Quilt (Regular) wins — at 570 g it is 49 g (8%) 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.