Bespoke Unit's Michael Oxman gives a comprehensive overview of how each component of a suit should fit. Jacket, trousers, waistcoat, and shirt.
Polish Your Look: 16 Subtle Tips for Wearing a Suit - Thompson Tee
Top 10 Signs You're in a Poor-Fitting Suit – The Helm Clothing
How to Tell If a Suit Fits in 7 Easy Steps
11 Tips How to Wear a Suit - Hockerty
How A Suit Should Fit: Men's Guide To Wearing A Suit Of The Right
How A Suit Should Fit: Men's Guide To Wearing A Suit Of The Right Size
How A Suit Jacket Should Fit - Mens suit fit, Mens coats, Jackets
How Should a Suit Fit? Your Easy-to-Follow Visual Guide
How Pants Should Fit
How Should a Suit Fit? Your Easy-to-Follow Visual Guide