Here is an example of a basic suit. It's simple yet classy. Do not forget the tie clip! A floppy tie is enough to bring your whole look down. Also, a fitted shirt is key. You don't want to look like you are swimming in your clothes.
Men's Beige Blazer, White and Navy Gingham Dress Shirt, Navy Jeans, Brown Leather Brogues
Casual and stylish — Navy Jeans — Brown Leather Belt — Brown Leather Brogues — Burgundy Paisley Pocket Square — Burgundy Tie — Beige Blazer (think Trumaker Mitani) — White and Navy Gingham Dress Shirt (think Trumaker Whitney)