There were Breton shirts which from afar looked like regular shirting material but up close they were actually made from leather.

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The clothes must be made expertly from the correct cloth she has been working with the same suppliers of traditional men's shirting, for example, for 40 years.

WSJ: Designer Margaret Howell | The Cult of

Think of them as the Ferrari of shirting material.

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This kind of authenticity has become its own form of luxury: Where else will you find wide-legged trousers made of hand-dyed tweed, or old-school shirting combined with thick cashmere and a flirty take on tartan?

WSJ: Designer Margaret Howell | The Cult of