This classic and casual pairing of a black corduroy shirt jacket and a grey crew-neck sweater is extremely easy to put together without a second thought, helping you look seriously stylish and ready for anything without spending too much time digging through your wardrobe. Infuse a dose of stylish casualness into this getup by finishing off with a pair of charcoal suede low top sneakers. This ensemble shows how to kill in the casual style department as a 20-year-old guy.