He wears the standard high collared, full body uniform of the Konoha medical ninja.
As a medical-nin, Hōshō presumably has a high level of intellect, is well-versed in medical ninjutsu, and has excellent chakra control to perform medical procedures.
Sasuke Retrieval Arc
He is assigned to one of the two medical units that are deployed to provide backup for the Sasuke Retrieval Team, and is disappointed to hear that they failed to retrieve Sasuke. He then informs Kakashi of the status of the other members of the team.