Nike junior mercurial vortex iii cr7 fg kids firm ground football boot cr7 speed nike junior mercurial vortex iii cr7 fg kids firm ground football boot combines a synthetic leather upper with embossed ridges and an all tpu plate for the fit touch and traction needed for todays fast paced game ronaldo inspired graphics add a touch of cr7 style synthetic leather upper provides durability and a comfortable fit printed ribbing on the upper enhances touch full length tpu plate