A cast shoe sized and configured to be worn on a casted foot. The shoe includes an air-insufflated outer sole formed of a resilient polymeric material to absorb impact. The outer sole has a heel portion of substantially uniform thickness, a tapered toe portion that is thinner than the heel portion, an...http://www.google.co.uk/patents/US6962011?utm_source=gb-gplus-sharePatent US6962011 - Shoe for a casted foot