For a look that's pared-down but can be flaunted in plenty of different ways, consider teaming a grey floral crew-neck sweater with green-yellow chinos. Have some fun with things and complement this outfit with olive canvas high top sneakers. So if you're after an outfit that's on-trend but also totally season-appropriate, this just might be it. Gents wondering how to wear modern off-duty style in your late 20s, this combo should answer your question.