In short: semi-formal cocktail attire. The Pittsburgh Field Club, the reception venue, has a minimum dress code to follow: https://www.fieldclub.org/About_Us/House_Rules We suggest suits and ties for gentlemen and cocktail dresses or pant suits for ladies.
Some hotels near the reception in Harmar, PA are: Harmar Townplace Suites Marriott Harmar Hampton Inn & Suites Holiday Inn Express Pittsburgh-North (Harmarville)
Unfortunately we are restricted to a maximum capacity and are only able to accommodate the guests indicated on invitations. We are happy to recommend local sitters.