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The 202. Calf is harder with jeans and chinos, but can be nice in paler colours like tan. Easier in suede

Navy jacket and jeans (with recommended cloths)

Yes, I think both are a bit different. Tailoring is, because the mills that supply the materials are often used as marketing themselves. Smaller craft based brands are because they want to talk about their suppliers. But no big brand would talk about that -…

How to wash and wear raw denim

There’s probably a bigger difference between someone like Whitcomb, who own their offshore workshop, and have people out there frequently managing it, and the Chinese workshop that a lot of tailors now use.

The pattern in bespoke tailoring: A new jacket at A&S

Its mentioned in the article - a reference apparently to people wearing two?

The guide to morning dress: Part one, style