Sartorial Solecism?

[Sefton]

Jeans and a fedora work well for that "beat" look too. Especially if the lid's a porkpie style.

 

[Red McCutcheon]

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I wear jeans and a fed as a matter of course. I personally don't think there's too much of a style clash there, just so long as the jeans are not tattered to shreds and encumbered by chains, spikes, studs, radar antennae, anvils, fan-blades, piston-rods, etc.