[1][5] The Irwin 41 Citation is a racing keelboat, built predominantly of fiberglass, with wood trim.
It has a masthead sloop rig, a raked stem, a reverse transom, an internally mounted spade-type rudder controlled by a wheel and a fixed fin keel.
[1] The boat is fitted with a Japanese Yanmar diesel engine of 30 hp (22 kW) for docking and maneuvering.
The head is located on the starboard side in the aft cabin, with a second door from the navigation station.
[1] The boat is supported by an active class club, the Irwin Yacht Owners.