Nunatak Sastrugi Sleeping Bag (22°F) vs Zpacks Summer Quilt
Weight and specs compared for 2026 — and which one to choose.
Custom ultralight sleeping bag with 900-fill goose down. 614g for 22-degree regular-width medium-length configuration. Made to order with customization options
Full details →Minimal 8.6-ounce quilt for warm weather camping. Doubles as winter sleeping bag liner.
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Nunatak Sastrugi Sleeping Bag (22°F) vs Zpacks Summer Quilt: which should you buy?
If saving weight is your priority, the Zpacks Summer Quilt wins — at 244 g it is 370 g (60%) lighter than the Nunatak Sastrugi Sleeping Bag (22°F) (614 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.