... 100% polyester new style breathable mesh insole feature:ventilated,lasting elastic,anti-bacterial,easy wash,quick dry TypeBreathable mesh insoleMaterial3D spacer mesh fabric, 100% ... a kind of high-elasticity, high-density kniting fabric. Unlike traditional fabric which is complanate,it is three-dimention.Strong ... your health. 2012 new fashion breathable mesh insole, 100% polyester spacer mesh fabric