An insert for footwear which has improved durability and pliability and satisfies a thumb test of pliability when exposed along the sides of the footwear. The insert comprises a compressible core at least partially surrounded by a flexible casing. The flexible casing has an open window of a size which...http://www.google.co.uk/patents/US7802378?utm_source=gb-gplus-sharePatent US7802378 - Insert for article of footwear and method for producing the insert
