How Does a Suit Jacket Fit? A Complete Guide Looking sharp isn't just about owning a suit it's about how that suit fits. You could wear a $2,000 designer jacket, but if it doesn't fit right, it might as well be a rain poncho. This guide breaks down exactly how a suit jacket should fit so you can walk into any room looking like you own it. Understanding the Basics of Suit Jacket Fit Why Fit Is More Important Than Fabric Yes, fabric matters. But even the best Italian wool won’t save you from a sloppy silhouette. Fit is king. It frames your body, creates structure, and signals attention to detail. Off-the-Rack vs. Tailored Fit Off-the-rack jackets are made for the “average” build (which, let’s be real, doesn’t exist). Tailoring is often necessary. Think of it like buying a house it needs a little renovation to feel like home. Key Areas to Check When Trying on a Suit Jacket Shoulder Fit If the shoulders are off, the whole jacket is off. Shoulder Seams Should E...