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Western Mountaineering HighLite Sleeping Bag vs Western Mountaineering MegaLite 35°F

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

Western Mountaineering HighLite Sleeping Bag is the lighter option — 50 g lighter than the Western Mountaineering MegaLite 35°F (10% less weight). If grams matter to you, that is the one to beat.
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Spec Western Mountaineering HighLite Sleeping Bag Western Mountaineering MegaLite 35°F
Weight 460 g · 0.460 kg · 1.01 lb 510 g · 0.510 kg · 1.12 lb
Brand Western Mountaineering Western Mountaineering
Category Sleep System Sleep System
Western Mountaineering HighLite Sleeping Bag
460 g

800-fill goose down sleeping bag rated to 35°F/2°C. Exceptionally light at 460g in 5'6" length, ideal for warm-weather thru-hiking.

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Western Mountaineering MegaLite 35°F
510 g

Ultralight 850-fill down bag for warm summer conditions.

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Western Mountaineering HighLite Sleeping Bag vs Western Mountaineering MegaLite 35°F: which should you buy?

If saving weight is your priority, the Western Mountaineering HighLite Sleeping Bag wins — at 460 g it is 50 g (10%) 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.

More sleep system comparisons