This combination of a navy blazer and white chinos is a winning option when you need to look effortlessly sleek but have no extra time. Finishing off with a pair of beige plimsolls is a fail-safe way to inject a mellow touch into this look. As the weather starts to cool down, you'll find that a look like this is ideal for fall. Perfect if you're hunting for some amazingly inspiring style for men in their thirties.