An insole for an article of footwear which includes an apertured top layer formed of a non-absorbent, thermally non-conductive thermoplastic material, a non-woven layer having a first portion formed of a mixture of moisture-wicking and moisture-absorbent fibers affixed to the top layer, and,...http://www.google.sh/patents/US5727336?utm_source=gb-gplus-sharePatent US5727336 - Footwear insole with a moisture absorbent inner layer
