Mountain Hardwear Ghost Whisperer 20°F vs Therm-a-Rest Vesper 32°F Sleeping Bag
Weight and specs compared for 2026 — and which one to choose.
Ultralight 800-fill down sleeping bag in minimalist design.
Premium ultralight sleeping bag with 900-fill hydrophobic goose down. Rated to 32°F (0°C) with mummy fit and draft collar for warmth retention.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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 Therm-a-Rest Vesper 32°F Sleeping Bag: which should you buy?
The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.
See where both rank against everything else in this category on the lightest sleep system page, or browse the full gear weight database.