There was a forward slash in the path which was causing a 404.
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- **From Foundation v6.4, the Flex Grid is disabled by default**, replaced by the new [XY Grid](/xy-grid.html). Unless you need to support IE 10, it is recommended to use the XY Grid.
+ **From Foundation v6.4, the Flex Grid is disabled by default**, replaced by the new [XY Grid](xy-grid.html). Unless you need to support IE 10, it is recommended to use the XY Grid.
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To use the Flex Grid in Foundation v6.4+, you need to: