I think this would fit the reserved 1% of the cases and would be perfectly acceptable and probably even encouraged. I imagine an otherwise wide gap in type of attire could create possible tension in the work group, of varied nature.
This reminds me of working with crotchety gen-X and above sysadmins. They complain about "hipsters" but the people they are talking about are wearing standard issue clothes from the mall that everyone in that age bracket wears. They don't realize that wearing a "JavaConf 1999" fleece, bat-belt, cargo shorts and Tevas is not what other people consider normal work attire.