This outfit with a white crew-neck t-shirt and khaki dress pants isn't super hard to put together and easy to change. A pair of brown suede desert boots instantly turns up the style factor of your ensemble. So as you can see, it's a cool, not to mention season-appropriate, getup to have in your transitional wardrobe. Classy outfits for stylish 20-year-old gents aren't actually that hard.