A navy corduroy shirt jacket and a black nylon briefcase are a perfect combination to rock a version of on off-duty days. A pair of white canvas low top sneakers easily turns up the wow factor of your look. As you can see here, in your 30s your style options are looking good.
Try teaming a grey long sleeve t-shirt with a black nylon briefcase for a relaxed casual ensemble with a twist. In the footwear department, go for something on the smarter end of the spectrum and complete your ensemble with a pair of white canvas low top sneakers. This combination proves that reaching your 30s is no reason to shed casual style altogether.