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Montbell Thunder Pass Hat vs Outdoor Research Dirty Clean Bag

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

Montbell Thunder Pass Hat is the lighter option — 60 g lighter than the Outdoor Research Dirty Clean Bag (52% less weight). If grams matter to you, that is the one to beat.
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Spec Montbell Thunder Pass Hat Outdoor Research Dirty Clean Bag
Weight 55 g · 0.055 kg · 0.12 lb 115 g · 0.115 kg · 0.25 lb
Brand Montbell Outdoor Research
Category Miscellaneous Miscellaneous
Montbell Thunder Pass Hat
55 g

Ultralight packable sun hat with Gore-Tex brim.

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Outdoor Research Dirty Clean Bag
115 g

Odour-eliminating bag for separating dirty laundry.

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Montbell Thunder Pass Hat vs Outdoor Research Dirty Clean Bag: which should you buy?

If saving weight is your priority, the Montbell Thunder Pass Hat wins — at 55 g it is 60 g (52%) lighter than the Outdoor Research Dirty Clean Bag (115 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