13. The Classic Navy Blazer — A navy blazer is a must for any wardrobe. It's dressy, it's laid-back. It's not the used-car salesman or little boy look you're used to, promise. Just make sure it's tailored and you've got yourself a lasting style. Seriously, we're on the anti-baggy patrol.

J. Lindeberg Patrick Soft Club Wool Blazer, $840, available at Revolve Clothing; Thom Browne Shetland Tweed Blazer, $1490, available at Park & Bond.