七しち分ぶ丈たけ

noun which may take the genitive case particle 'no'

three-quarter length

Typically used for clothing that reaches about three-quarters of the full length, such as pants or sleeves.

• 夏なつは七しち分ぶ丈たけのパンツが涼すずしくて好すきだ。

  In summer, I like three-quarter length pants because they are cool.

• この七しち分ぶ丈たけのカーディガンは春はるにちょうどいい。

  This three-quarter length cardigan is just right for spring.