Everyone" is saying that a suit jacket must cover your butt, but so many big fashion labels don't follow this rule. Is it fine to wear it a little shorter? : r/malefashionadvice
Difference between a Blazer, a Sport-coat, & a Suit-jacket : r/coolguides
New 38R sportcoat - too short, right? What to do with it? : r/malefashionadvice
Suit jacket as a sport coat? : r/malefashionadvice
Sportcoat / Blazer vs Suit Jacket – The Four Key Differences