This dark blue shirt with white horizontal stripes are used as the away kit for the 1999-2000 season.
This shirt comes with nameset "KEANE 16", the former captain of Manchester United.
This is also the only season Manchester United added the word "digital" to their sponsor.
The nameset used must follow the EPL's regulation on font and sizes, and also there's an EPL logo at the bottom of each number.
Last but not least, United players in this kit, with Mr. Keane himself on the left: