A side-by-side comparison based on expert reviews and community consensus. We analyzed the sources to figure out which one actually belongs in your cart.
The Ultra Adventure wins on pure function: better UV protection, lighter weight, and a neck cape that the Filson simply can't match for all-day sun exposure. But the Filson is the hat you'll actually reach for every day — it scored the highest style rating of any hat in expert testing, and it transitions from trail to town without making you look like you're about to tag a marlin. The tradeoff is real: the Ultra's 852 reviews averaging 4.7 stars prove people love it, but almost entirely for outdoor use. The Filson earns its place in your regular rotation.
The most stylish floppy-brim hat tested — friends and strangers alike consistently picked it over ev
The top-rated sun hat across all expert testing — UPF 50+, featherlight at 2.5 oz, and comfortable e
The Ultra Adventure is built around UPF 50+ fabric with a mesh crown that blocks UV even through the ventilation panels, plus a neck cape that covers the skin most hats completely ignore. The Filson's DWR-treated cotton offers no rated UV protection — it's a stylish hat, not a sun shield. If you're on a boat or exposed ridge for six hours, that gap matters enormously.
Outdoor Gear Lab gave the Filson a 9/10 for style — the highest score of any hat they reviewed — and noted that men and women alike were happy to wear it. The Ultra Adventure, by contrast, has a neck cape that the editors themselves call 'dorky.' This isn't a minor aesthetic quibble: it's the difference between a hat you wear once a week and one you only pull out when you're already in full hiking mode.
At 2.5 oz, the Ultra Adventure is genuinely featherlight, and its Reverse Split Brim folds into a pants pocket. The Filson is also highly packable — testers found it regained its shape even after careless folding — but it's a heavier cotton construction. For ultralight backpackers counting grams, the Ultra wins. For everyone else, both hats pack well enough that this isn't a deciding factor.
The Filson comes in five discrete sizes — no adjustable toggles, no Velcro — which means when it fits, it fits perfectly and stays put. The tradeoff is that you have to get the size right or the hat is useless. The Ultra Adventure uses a more adjustable system, but reviewers noted the S/M size leaves the nose exposed on medium-sized heads. Neither hat is perfect here, but the Filson's true-size approach rewards people who know their hat size.
The Ultra Adventure wins on pure function: better UV protection, lighter weight, and a neck cape that the Filson simply can't match for all-day sun exposure. But the Filson is the hat you'll actually reach for every day — it scored the highest style rating of any hat in expert testing, and it transitions from trail to town without making you look like you're about to tag a marlin. The tradeoff is real: the Ultra's 852 reviews averaging 4.7 stars prove people love it, but almost entirely for outdoor use. The Filson earns its place in your regular rotation.
