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Mountain Hardwear Ghost Whisperer 20°F vs Western Mountaineering HighLite 35F

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

Western Mountaineering HighLite 35F is the lighter option — 79 g lighter than the Mountain Hardwear Ghost Whisperer 20°F (15% less weight). If grams matter to you, that is the one to beat.
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Spec Mountain Hardwear Ghost Whisperer 20°F Western Mountaineering HighLite 35F
Weight 539 g · 0.539 kg · 1.19 lb 460 g · 0.460 kg · 1.01 lb
Brand Mountain Hardwear Western Mountaineering
Category Sleep System Sleep System
Mountain Hardwear Ghost Whisperer 20°F
539 g

Ultralight 800-fill down sleeping bag in minimalist design.

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Western Mountaineering HighLite 35F
460 g

Ultralight 850-fill ethical down mummy bag rated 35F with 7D ripstop nylon shell. Best-in-class warmth-to-weight ratio for three-season use.

Full details →

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Mountain Hardwear Ghost Whisperer 20°F vs Western Mountaineering HighLite 35F: which should you buy?

If saving weight is your priority, the Western Mountaineering HighLite 35F wins — at 460 g it is 79 g (15%) lighter than the Mountain Hardwear Ghost Whisperer 20°F (539 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