They are flexible without being bulky. I thought it would be a cheap fabric but it actually feels really nice! Usually the Control key or one of the ASDW when gaming. I knocked a star off due to the chrome plated bolts/screws used and the plastic teeth used in the clamp bar for rotation. I work in the emergency room and walk all night long, my feet never hurt. Just annoyed at the low battery sound. “AND THATS SAYING SOMETHING! All the highs and lows (bass) come through crystal clear. I have ordered my daughter these shoes three times. ) but still be comfortable.