Why not consider pairing a beige crew-neck t-shirt with white jeans? Both of these items are super practical and will look amazing when worn together. You could stick to a more classic route when it comes to footwear by finishing with a pair of brogues. The practicality and simplicity of this combo takes care of the heat and helps you make a stylish statement wherever you go. This pairing suggests how to score in the classic and casual fashion department as a 20-year-old man.