Therm-a-Rest Vesper 32F Quilt vs Western Mountaineering AstraLite
Weight and specs compared for 2026 — and which one to choose.
32 degrees F ultralight quilt with 900-fill hydrophobic goose down. Trapezoidal shape reduces weight while maximizing warmth. Stuff sack included.
Full details →Ultralight 3-season sleeping bag with 850fp down and 12D shell. Designed for fast-and-light alpine pursuits and long trail journeys.
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Therm-a-Rest Vesper 32F Quilt vs Western Mountaineering AstraLite: which should you buy?
If saving weight is your priority, the Western Mountaineering AstraLite wins — at 496 g it is 54 g (10%) lighter than the Therm-a-Rest Vesper 32F Quilt (550 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.