This European Standard specifies a test method for determining the flex resistance of uppers and linings irrespective of the material, in order to assess the suitability for the end use.
ISO 17694:2003 history
2016ISO 17694:2016 Footwear - Test methods for uppers and lining - Flex resistance
2003ISO 17694:2003 Footwear - Test methods for uppers and lining - Flex resistance