Bespoke Unit's Michael Oxman gives a comprehensive overview of how each component of a suit should fit. Jacket, trousers, waistcoat, and shirt.
Mens Tuxedo & Suit Size Guide We Make Sure You Get The Right Fit
How Should a Suit Fit? Men's Suit Fit Guide - Macy's
How Should a Suit Jacket Fit The Complete Guide for Men - Nimble
How Pants Should Fit
Suit Sizes & Size Chart - Mens Style Guide - Macy's
Suits for Short Men: Everything You Need to Know - The Modest Man
How A Suit Should Fit: Men's Guide To Wearing A Suit Of The Right
10 Golden Rules For Buying A Suit (Men's Suit Buying Guide)
The 8 Best Men's Suits in 2023
Cool Guide to mens clothing fit. : r/coolguides