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Enlightened Equipment Enigma 20°F Quilt vs Therm-a-Rest Vesper 20F

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

Therm-a-Rest Vesper 20F is the lighter option — 50 g lighter than the Enlightened Equipment Enigma 20°F Quilt (8% less weight). If grams matter to you, that is the one to beat.
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Spec Enlightened Equipment Enigma 20°F Quilt Therm-a-Rest Vesper 20F
Weight 600 g · 0.600 kg · 1.32 lb 550 g · 0.550 kg · 1.21 lb
Brand Enlightened Equipment Therm-a-Rest
Category Sleep System Sleep System
Enlightened Equipment Enigma 20°F Quilt
600 g

Premium 850fp down quilt rated to 20°F, highest warmth-to-weight ratio in its class. Adjustable footbox, draft collar, snap attachment system.

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Therm-a-Rest Vesper 20F
550 g

Ultralight quilt with 900-fill hydrophobic Nikwax Treated Down. Rated 20°F with neck baffle and footbox snap. Among lightest mainstream quilts.

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Enlightened Equipment Enigma 20°F Quilt vs Therm-a-Rest Vesper 20F: which should you buy?

If saving weight is your priority, the Therm-a-Rest Vesper 20F wins — at 550 g it is 50 g (8%) lighter than the Enlightened Equipment Enigma 20°F Quilt (600 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.

More sleep system comparisons