The Store Clerk outfit is a disguise that can be found in HITMAN™.
Worn by the hairdresser in Sapienza. With this disguise entering the closed Sanguine store and the art shop no longer counts as trespassing. No NPC, however, will react to 47’s presences even if he's trespassing so that there's actually no difference between this disguise and the suit.
The Store Clerk outfit appears in the following missions: