"If you wear a khaki suit during the summer, it isn't that big of a leap to wear mauve, " said Josh Peskowitz, men's fashion director at Bloomingdale's.

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And you don't want to attend your next business meeting in a suit covered with pet hair.

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But if you see a guy wearing an impeccably tailored Italian suit with dirty tennis shoes, you won't be able to forget the footwear.

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