This The Office screencap contains
business suit.
There might also be
suit, suit of clothes, dress suit, full dress, tailcoat, tail coat, tails, white tie, white tie and tails, two piece, two piece suit, and lounge suit.
From Season 2 Episode 3: OFFICE OLYMPICS - Jim and Pam arrange an `Office Olympics' for the staff when Michael and Dwight got out for the day to close a deal.