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Enlightened Equipment Revelation 20°F (950FP Regular/Regular) vs Therm-a-Rest Vesper 32

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

Therm-a-Rest Vesper 32 is the lighter option — 16 g lighter than the Enlightened Equipment Revelation 20°F (950FP Regular/Regular) (3% less weight). If grams matter to you, that is the one to beat.
Spec Enlightened Equipment Revelation 20°F (950FP Regular/Regular) Therm-a-Rest Vesper 32
Weight 566 g · 0.566 kg · 1.25 lb 550 g · 0.550 kg · 1.21 lb
Brand Enlightened Equipment Therm-a-Rest
Category Sleep System Sleep System
Enlightened Equipment Revelation 20°F (950FP Regular/Regular)
566 g

Ultralight backpacking quilt with 950-fill power down rated to 20°F (-7°C). Features adjustable footbox and neck collar for versatile sleeping positions.

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Therm-a-Rest Vesper 32
550 g

Ultralight 32°F sleeping bag with 900-fill-power hydrophobic goose down. Excellent warmth-to-weight ratio for 3-season backpacking.

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Enlightened Equipment Revelation 20°F (950FP Regular/Regular) vs Therm-a-Rest Vesper 32: which should you buy?

If saving weight is your priority, the Therm-a-Rest Vesper 32 wins — at 550 g it is 16 g (3%) lighter than the Enlightened Equipment Revelation 20°F (950FP Regular/Regular) (566 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