11.   But they warn that the other shoe has yet to drop.

12.   But the shoes have almost a kinetic, newfangled energy.

13.   Depth shoes have an arch shaped to match detailed measurements of each foot.

14.   Her gym shoes have to go.

15.   His leather shoes have holes.

16.   One shoe has eight notes in a lower octave, the other eight notes in a higher octave.

17.   One shoe had a sole that was only about half attached.

18.   That compression is designed to absorb the initial impact and increase the area of contact so the shoe has better traction on firm, smooth surfaces.

19.   The Kobe shoe also has an amber reflector on the heel, somewhat evocative of a taillight.

20.   The power shoes have pistons that push off the ground with each step, giving the walker a huge boost.