Such must-haves as a blazer and a grey sweatshirt are the perfect way to introduce extra polish into your day-to-day casual collection. For a more relaxed aesthetic, complete this ensemble with navy and white canvas low top sneakers. So as you can see, it's a dapper, not to mention spring-ready, look to have in your transeasonal rotation. And if we're talking casual fashion tips for mature gents, this outfit looks good on almost anyone.