In the 1860's kneepants were popular for sorts such as hunting and golf.
在1860年代，因为比如打猎和高尔夫球的种种原因，长至膝盖的裤（膝裤）普及开来。
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Nike is her biggest endorsement deal, and the company pays her close to $5 million a year to wear everything from hot pants to knee-high boots on the court.
The exposed midriff, visible in shops, restaurants and hospital waiting rooms, often has a companion flourish, with practitioners rolling up their pants legs to just below the knee.