← Gear database

Montbell Thunder Pass Hat vs Zpacks Slim Dry Bag

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

Zpacks Slim Dry Bag 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.
shopping_cart Check today's price on Amazon
Spec Montbell Thunder Pass Hat Zpacks Slim Dry Bag
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.

Full details →
Zpacks Slim Dry Bag
11 g

Ultra-lightweight dry bag for pack organization. Large size at only 0.4 oz.

Full details →

HikeLoad is reader-supported. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Learn more.

Montbell Thunder Pass Hat vs Zpacks Slim Dry Bag: which should you buy?

If saving weight is your priority, the Zpacks Slim Dry Bag 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