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Hyperlite Mountain Gear 20-Degree Quilt (Regular) vs Therm-a-Rest Hyperion 20F/-6C (Regular)
Weight and specs compared for 2026 — and which one to choose.
Therm-a-Rest Hyperion 20F/-6C (Regular) is the lighter option — 3 g lighter than the Hyperlite Mountain Gear 20-Degree Quilt (Regular) (1% less weight). If grams matter to you, that is the one to beat.
Hyperlite Mountain Gear 20-Degree Quilt (Regular)
570 g
Ultralight 20F down quilt with 1000FP DWR-treated down, 7D ripstop shell, 3D baffles and pad attachment straps.
Check price Full details →Therm-a-Rest Hyperion 20F/-6C (Regular)
567 g
Ultralight 20F down mummy bag with 900-fill Nikwax Hydrophobic Down for fast-and-light backpacking.
Check price Full details →Hyperlite Mountain Gear 20-Degree Quilt (Regular) vs Therm-a-Rest Hyperion 20F/-6C (Regular): which should you buy?
If saving weight is your priority, the Therm-a-Rest Hyperion 20F/-6C (Regular) wins — at 567 g it is 3 g (1%) lighter than the Hyperlite Mountain Gear 20-Degree Quilt (Regular) (570 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.
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