Katadyn BeFree 0.6L vs Sunday Afternoons Ultra Adventure Hat
Weight and specs compared for 2026 — and which one to choose.
Hollow-fiber squeeze water filter with 0.6L soft flask. Filters 2L/min, removes bacteria and protozoa. No taste, no chemicals needed. Ultralight backpacking ess...
Full details →Lightest sun hat option at 2.5 ounces. Breathable and packable for desert and alpine hiking.
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Katadyn BeFree 0.6L vs Sunday Afternoons Ultra Adventure Hat: which should you buy?
If saving weight is your priority, the Katadyn BeFree 0.6L wins — at 67 g it is 4 g (6%) lighter than the Sunday Afternoons Ultra Adventure Hat (71 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.