Sawyer Squeeze Water Filter vs Sunday Afternoons Ultra Adventure Hat
Weight and specs compared for 2026 — and which one to choose.
Lightweight hollow fiber squeeze filter removing 99.99999% bacteria, usable inline with hydration systems or directly from bag.
Full details →Lightest sun hat option at 2.5 ounces. Breathable and packable for desert and alpine hiking.
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Sawyer Squeeze Water Filter vs Sunday Afternoons Ultra Adventure Hat: which should you buy?
If saving weight is your priority, the Sunday Afternoons Ultra Adventure Hat wins — at 71 g it is 14 g (16%) lighter than the Sawyer Squeeze Water Filter (85 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.