Western Mountaineering AstraLite vs Zpacks Solo Quilt 20F
Weight and specs compared for 2026 — and which one to choose.
Ultralight 3-season sleeping bag with 850fp down and 12D shell. Designed for fast-and-light alpine pursuits and long trail journeys.
Check price Full details →900-fill power down quilt with 20F (-7C) temperature rating in ultralight DCF shell. Pad attachment straps and adjustable snap footbox included.
Check price Full details →Western Mountaineering AstraLite vs Zpacks Solo Quilt 20F: which should you buy?
If saving weight is your priority, the Zpacks Solo Quilt 20F wins — at 335 g it is 161 g (32%) lighter than the Western Mountaineering AstraLite (496 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.