Adult cloth sunhat composed of triangular sections wanted

[Speckson]

Does anyone know where I can buy an adult cloth sunhat composed of triangular sections like the one I have linked for children? It doesn't need to be reversible.
https://littlegreenradicals.com/products/flora-and-fauna-reversible-sunhat

I have an ancient one that originally belonged to my MIL but it is literally falling to pieces - it is excellent but its crown has holes in now! I have considered taking it apart to use as a pattern but I suspect I'd make a mess of constructing a new one.
All the adult cloth sunhats I have seen are cylindrical with a round lid on top and I find that they don't fit very well and are much more inclined to lift off in a breeze.

I think you have found one!!

A few days ago the algorithm showed me a video of somebody who folded a 50cm circle into 6, cut a lozenge out of it and sewed it together along those lines to make a perfect segmented bucket hat.
I was inspired but it’s probably lost to the ether now!
The one ^^ above looks good.

This is what I meant. Very easy, the interfacing could be skipped and if you have a fabric with a central design it would be really cool.

https://www.uniqlo.com/uk/en/products/E482816-000/00?colorDisplayCode=32&sizeDisplayCode=999

This is a men's hat but this website might be worth a look.

That’s just a normal bucket hat though.