This smart casual pairing of a brown shirt jacket and black chinos is extremely easy to put together in next to no time, helping you look on-trend and ready for anything without spending a ton of time rummaging through your wardrobe. If you want to immediately dial up this outfit with a pair of shoes, complement this outfit with a pair of derby shoes. A good illustration of transitional fashion, this ensemble is an essential when spring sets it. If you're making your way through your mid-20s, take cues from ensembles like this to take a more mature approach to your style.