We've written a lot about cargo shorts. We shouldn't need to spell it out for you. But in case we do: they look sloppy, and ruin your leg's silhouette with baggy pockets that flatter no one.Another obvious one. When going to a formal — or even semi-formal — event, it's best to play to the dress code. Even if what you're wearing is not up to the code of the event, the least you can do is tuck your shirt in. Come on, Quentin.Stop me if you've heard this one before. You have two options here: wear sandals without socks, or don't wear sandals at all (our personal recommendation). The same goes for flip flops.From time to time, we encounter a man who just isn't aware that the tag on the sleeve of a suit jacket is meant to be snipped off. Don't make that same mistake.Suspenders are designed to hold your pants up. Belts are designed to hold your pants up. You don't need both to do the same job. Pick one, and stick with it. Not many men wear suspenders anymore, so it's best to just leave them at home.Your club shirts aren't doing you any favors, trust us. The shiny, patterned shirts you wear when you go out aren't looked upon as favorably as you might assume. Ditch them for some plain colored clothing and get with the times.Fedoras are never coming back. It's time to accept that and start to move on.White socks are versatile and comfortable. They also look pretty silly when you're not sweating your butt off on a treadmill.Round-toed shoes give your feet a nice silhouette, enveloping them with an eye-pleasing rounded shape that looks slimming to the naked eye. Square-toed shoes make your feet look clunky and monstrous, like an unintentional clown. We know which ones we'd rather wear.Are you dressing up? Are you keeping it casual? When you tuck your dressy shirt into your jeans, we can't really tell.Those matchy-matchy dress shirt-and-tie combos sold in department stores are for clueless dudes who don't know the first thing about matching a tie with a dress shirt. They usually include a bit of the color of the shirt, giving it a strange look that is just a bit too on-theme. We don't recommend the colors that these shirts come in anyway. Best to avoid the whole situation.