靴くつ裏うら

noun

sole of a shoe

Refers specifically to the underside of a shoe, the part that contacts the ground.

• 新あたらしい靴くつの靴くつ裏うらはまだきれいだ。

  The soles of the new shoes are still clean.

• 靴くつ裏うらにガムがくっついてしまった。

  I got gum stuck on the sole of my shoe.