When the setting allows an off-duty getup, reach for a red and black gingham long sleeve shirt and black jeans. Finishing off with white canvas high top sneakers is a simple way to add an easy-going touch to your look. Naturally, it's easier to work through a hot warm weather day in a breezy combo such as this one. Off-duty ensembles for 30-year-old men aren't actually that hard, as you see here.