This classic and casual pairing of a light blue blazer and grey shorts is extremely easy to put together without a second thought, helping you look on-trend and ready for anything without spending a ton of time searching through your wardrobe. On the shoe front, go for something on the casual end of the spectrum with a pair of slip-on sneakers. This combo proves that dressing stylishly as a 20-something gent is not that daunting a task.