Perfect the smart menswear style in a suit and a navy and white crew-neck t-shirt. Balance out this outfit with more laid-back footwear, like these black leather sandals. You'll always look great even despite the crazy heat if you keep this getup as a last-minute grab. And if we're talking casual fashion tips for 30-year-old gents, this ensemble looks great on almost any gentleman.
So as you can see, it doesn't require that much effort for a man to look casually sleek. Just pair a suit with a navy and white crew-neck t-shirt and you'll look amazing. Let your outfit coordination skills truly shine by complementing your getup with a pair of black leather sandals. You know you could sport this outfit all season long. As you see, after thirty your styling options are looking good.