Hyperlite Mountain Gear 20-Degree Quilt (Regular) vs Western Mountaineering Ultralite 20°F

Weight and specs compared for 2026 — and which one to choose.

Hyperlite Mountain Gear 20-Degree Quilt (Regular) is the lighter option — 110 g lighter than the Western Mountaineering Ultralite 20°F (16% less weight). If grams matter to you, that is the one to beat.

Spec	Hyperlite Mountain Gear 20-Degree Quilt (Regular)	Western Mountaineering Ultralite 20°F
Weight	570 g · 0.570 kg · 1.26 lb	680 g · 0.680 kg · 1.50 lb
Brand	Hyperlite Mountain Gear	Western Mountaineering
Category	Sleep System	Sleep System

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.

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Western Mountaineering Ultralite 20°F

680 g

Premium 850-fill down sleeping bag rated to 20°F (-7°C).

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Hyperlite Mountain Gear 20-Degree Quilt (Regular) vs Western Mountaineering Ultralite 20°F: which should you buy?

If saving weight is your priority, the Hyperlite Mountain Gear 20-Degree Quilt (Regular) wins — at 570 g it is 110 g (16%) lighter than the Western Mountaineering Ultralite 20°F (680 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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