A charcoal zip sweater and a crew-neck t-shirt worn together are the perfect combination for gentlemen who love relaxed casual ensembles. Feeling experimental? Shake up this ensemble by finishing off with a pair of black leather high top sneakers. This getup is an appealing choice when it comes to a knockout outfit that will take you from summer to fall. Those who wonder whether you can still rock modern casual outfits well into your 40s, this getup should answer your question.