1839 Chestnut St., 2nd FL Philadelphia PA

(Entrance on 19th St.)


Philadelphia—our founding city and keystone to the proper philosophy. Here we draw inspiration from the country’s once undisputed sartorial epicenter to craft American made custom menswear with an attitude as unforgiving as our cobblestone streets and unique as the men who pave them.

Make the best custom suits in Philadelphia and the rest will follow.

Mon - Fri
Sat - Sun

Reserve Your Consultation

Black and white photo commonwealth consultation custom tailored fitting room for bespoke suits in philadelphia

Our Story

Proper begins here, forever made in the USA and in the heart of Center City’s Rittenhouse Square. Enjoy private consultations and conversation overlooking Philadelphia and your new domain as we work to create the custom suit, fitted shirts, garments and personalized accessories you demand.

Black and white photo man being measured amd fitted custom suit by tailor in commonwealth proper philadelphia and man with woman on motorcyle in woods