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Montbell Thunder Pass Hat vs Zpacks Dyneema Stuff Sack Large

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

Zpacks Dyneema Stuff Sack Large is the lighter option — 44 g lighter than the Montbell Thunder Pass Hat (80% less weight). If grams matter to you, that is the one to beat.
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Spec Montbell Thunder Pass Hat Zpacks Dyneema Stuff Sack Large
Weight 55 g · 0.055 kg · 0.12 lb 11 g · 0.011 kg · 0.02 lb
Brand Montbell Zpacks
Category Miscellaneous Miscellaneous
Montbell Thunder Pass Hat
55 g

Ultralight packable sun hat with Gore-Tex brim.

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Zpacks Dyneema Stuff Sack Large
11 g

Ultralight 12.3L stuff sack weighing only 0.4 oz (11g), made from Dyneema fabric for quilt and gear storage.

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Montbell Thunder Pass Hat vs Zpacks Dyneema Stuff Sack Large: which should you buy?

If saving weight is your priority, the Zpacks Dyneema Stuff Sack Large wins — at 11 g it is 44 g (80%) lighter than the Montbell Thunder Pass Hat (55 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