Our suggestion is to arrive via Uber, Lyft, or public transportation! It is a VERY large building, so keep an eye on the "destination address": 433 W Van Buren St, Chicago. This will drop you off at the front doors (there is a row of flags) and you can go in the door farthest to the left (closest to the river!); there will be signage and staff to help you from there. If you choose to drive, PLEASE plan ahead for timing - there is not an easy parking lot, so any parking will likely add 10-15 minutes to your commute. We also do not suggest parking IN the Post Office, though you will see on the map that the building has a parking garage. INSTEAD, we suggest parking in 333 S Clinton (across the street from the Post Office entrance - SP+ Parking, 24hr) for $40 or booking a reservation via SpotHero within a couple of blocks for a lower cost option. 326 S Wells and 311 S Wacker are relatively easy garages right across the river from the venue.
First of all, don't stress! Your smiling face is the most important thing you can bring. Our specific code is "Daytime Semi-Formal" which means: Ladies, think silhouettes like dresses, skirts, jumpsuits - any length is appropriate. Summer colors, airy fabrics, and prints are welcome. Suggestions for the men: a sport coat with trousers, or a simple shirt and trouser combo - linen and lighter fabrics welcome. Yes to collars, ties not required.