If you'd like take your casual game to a new height, reach for a tan short sleeve shirt and a crew-neck t-shirt. Clueless about how to finish off this look? Rock beige leather casual boots to class it up. As you can see here, it's very easy to look awesome and stay comfy when cooler weather comes, thanks to this getup. Sartorial inspo like this will help you stay incredibly stylish while heading into your 30s.