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Exped Ultra 6.5R vs Mountain Hardwear Ghost Whisperer 20°F

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

Exped Ultra 6.5R is the lighter option — 179 g lighter than the Mountain Hardwear Ghost Whisperer 20°F (33% less weight). If grams matter to you, that is the one to beat.
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Spec Exped Ultra 6.5R Mountain Hardwear Ghost Whisperer 20°F
Weight 360 g · 0.360 kg · 0.79 lb 539 g · 0.539 kg · 1.19 lb
Brand Exped Mountain Hardwear
Category Sleep System Sleep System
Exped Ultra 6.5R
360 g

All-season insulated air mat with R-6.9 warmth, 9cm thickness and quiet 20D recycled face fabric; mummy regular.

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Mountain Hardwear Ghost Whisperer 20°F
539 g

Ultralight 800-fill down sleeping bag in minimalist design.

Full details →

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Exped Ultra 6.5R vs Mountain Hardwear Ghost Whisperer 20°F: which should you buy?

If saving weight is your priority, the Exped Ultra 6.5R wins — at 360 g it is 179 g (33%) 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.

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