Up your casual style game by teaming a grey blazer and olive chinos. Introduce white and black leather low top sneakers to this getup to inject an element of stylish casualness into your outfit. Come warm summer days you're looking for an outfit to keep you fresh and dapper –– this outfit is just the one you need. Laid-back getups for 30-something Millennial gents aren't actually that hard, as you can see.