Try teaming a black crew-neck t-shirt with khaki cargo pants for both stylish and easy-to-wear ensemble. Want to play it down in the footwear department? Add a pair of green-yellow athletic shoes to the mix for the day. So as you can see, this combination is a really nice choice, especially for awkward fall weather, when the temps are falling. This pairing illustrates that in your early 20s your sartorial options are in no way limited.