Mountain Hardwear Ghost Whisperer 20°F vs Sea to Summit Ember XT 0°C Sleeping Bag
Weight and specs compared for 2026 — and which one to choose.
Ultralight 800-fill down sleeping bag in minimalist design.
Full details →Ultralight 0°C rated bag with 850+ UltraDry Down insulation. Stretch-knit lining and sculpted hood for packability and comfort.
Full details →HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.
Mountain Hardwear Ghost Whisperer 20°F vs Sea to Summit Ember XT 0°C Sleeping Bag: which should you buy?
If saving weight is your priority, the Mountain Hardwear Ghost Whisperer 20°F wins — at 539 g it is 70 g (11%) lighter than the Sea to Summit Ember XT 0°C Sleeping Bag (609 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.