Mountain Hardwear Ghoul 20F Sleeping Bag vs Sea to Summit Aeros Ultralight Pillow
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 →Lightest backpacking pillow at 2.1 oz. Compresses down to baseball size for ultralight trips.
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 Sea to Summit Aeros Ultralight Pillow: which should you buy?
If saving weight is your priority, the Sea to Summit Aeros Ultralight Pillow wins — at 59 g it is 573 g (91%) 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.