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HydraPak Stash 1L vs Zpacks Dry Bag 10L

Weight and specs compared for 2026 — and which one to choose.

HydraPak Stash 1L is the lighter option — 9 g lighter than the Zpacks Dry Bag 10L (21% less weight). If grams matter to you, that is the one to beat.
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Spec HydraPak Stash 1L Zpacks Dry Bag 10L
Weight 33 g · 0.033 kg · 0.07 lb 42 g · 0.042 kg · 0.09 lb
Brand HydraPak Zpacks
Category Miscellaneous Miscellaneous
HydraPak Stash 1L
33 g

Collapsible insulated water bottle. Folds flat.

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Zpacks Dry Bag 10L
42 g

Dyneema dry bag. Waterproof and ultralight.

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HydraPak Stash 1L vs Zpacks Dry Bag 10L: which should you buy?

If saving weight is your priority, the HydraPak Stash 1L wins — at 33 g it is 9 g (21%) lighter than the Zpacks Dry Bag 10L (42 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 miscellaneous page, or browse the full gear weight database.

More miscellaneous comparisons