Demonstrate your expertise in men's fashion by teaming a light blue vertical striped seersucker blazer and charcoal jeans for an off-duty outfit. For a more laid-back take, why not introduce a pair of white canvas low top sneakers to the equation? This combination is the definition of perfect for hot weather afternoons. As you move into your 30s, you probably want to start dressing like a grown man. That's when getups like this come in useful.