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Western Mountaineering AstraLite 26°F Sleeping Bag vs Western Mountaineering MegaLite 35°F
Weight and specs compared for 2026 — and which one to choose.
Western Mountaineering AstraLite 26°F Sleeping Bag is the lighter option — 14 g lighter than the Western Mountaineering MegaLite 35°F (3% less weight). If grams matter to you, that is the one to beat.
Western Mountaineering AstraLite 26°F Sleeping Bag
496 g
Premium 26°F sleeping bag with 850-fill ethically sourced goose down. Continuous-baffle construction eliminates cold spots.
Check price Full details →Western Mountaineering MegaLite 35°F
510 g
Ultralight 850-fill down bag for warm summer conditions.
Full details →Western Mountaineering AstraLite 26°F Sleeping Bag vs Western Mountaineering MegaLite 35°F: which should you buy?
If saving weight is your priority, the Western Mountaineering AstraLite 26°F Sleeping Bag wins — at 496 g it is 14 g (3%) lighter than the Western Mountaineering MegaLite 35°F (510 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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