Mountain Hardwear Ghoul 20F Sleeping Bag vs Therm-a-Rest Vesper 32
Weight and specs compared for 2026 — and which one to choose.
Variable-fill sleeping bag with 950 fill power down for versatile temperature management.
Full details →Ultralight 32°F sleeping bag with 900-fill-power hydrophobic goose down. Excellent warmth-to-weight ratio for 3-season backpacking.
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 Ghoul 20F Sleeping Bag vs Therm-a-Rest Vesper 32: which should you buy?
If saving weight is your priority, the Therm-a-Rest Vesper 32 wins — at 550 g it is 82 g (13%) lighter than the Mountain Hardwear Ghoul 20F Sleeping Bag (632 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.