Bestsellers include the disco hoodie and Sons of Britches casual slacks line.

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Jannard, wearing a sport shirt, slacks and casual Oakley shoes, took a seat in the posh offices.

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Instead he got a haircut, bought a new dress shirt that fit well, and wore slacks and a casual sport coat.

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Beyond the safe global standard of jackets or blazers, khaki or gray slacks, and leather shoes, below is a primer to how business casual varies around the world.

BBC: ��Business casual�� attire around the world