Enlightened Equipment Enigma Quilt 20°F vs Sea to Summit Ultralight Insulated

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

Sea to Summit Ultralight Insulated is the lighter option — 6 g lighter than the Enlightened Equipment Enigma Quilt 20°F (1% less weight). If grams matter to you, that is the one to beat.

Spec	Enlightened Equipment Enigma Quilt 20°F	Sea to Summit Ultralight Insulated
Weight	601 g · 0.601 kg · 1.32 lb	595 g · 0.595 kg · 1.31 lb
Brand	Enlightened Equipment	Sea to Summit
Category	Sleep System	Sleep System

Enlightened Equipment Enigma Quilt 20°F

601 g

Ultralight down quilt with sewn-closed footbox. Available in 850FP or 950FP goose down for highest warmth-to-weight ratio.

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Sea to Summit Ultralight Insulated

595 g

Insulated inflatable pad with R-value 3.7.

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Enlightened Equipment Enigma Quilt 20°F vs Sea to Summit Ultralight Insulated: which should you buy?

If saving weight is your priority, the Sea to Summit Ultralight Insulated wins — at 595 g it is 6 g (1%) lighter than the Enlightened Equipment Enigma Quilt 20°F (601 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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