Expect more growth for Athleisure. It is good for shareholders.

Spandex is eating the world. Fleece, too. But let's agree to keep the line on something called the leisure suit. More about that fashion in a moment.

This past Thursday, yoga pioneer Lululemon Athletica (ticker: LULU) reported financial blowout results that sent the stock 8% higher the following day. Quarterly sales increased by 22%. It came on top of 25% growth in the quarter a year ago. Margins expanded. The management encouraged high demand for shorts and other garments among a relatively new customer group: men.

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