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Martin King wears Gucci technical-mesh polo shirt, £1,850, and wool shorts, £750. Sunspel cotton boxer shorts (just seen), ...

Go for neutral shades such as black, grey or navy for the turtleneck to keep the look polished. This one is perfect when you ...

Here's what to know. Business casual is a mix of professional and casual clothing. This generally translates to a blend of a traditional business wardrobe with some relaxed elements woven in.