A beige crew-neck t-shirt and black ripped skinny jeans will infuse your style with a laid-back vibe. If you want to immediately bump up your outfit with footwear, why not introduce beige suede chelsea boots to this ensemble? As you can see, it's extremely easy to look dapper and stay cozy when fall arrives, thanks to this look. This combo illustrates how to keep slaying in the casual fashion department as a guy in his 30s.