A tan leather bomber jacket and light blue jeans paired together are a sartorial dream for gentlemen who appreciate cool and casual styles. If in doubt about the footwear, complete your look with white canvas low top sneakers. So so as you can see, it's a stylish, not to mention season-appropriate, getup to keep in your seasonal sartorial collection. This combination should clear any doubts you had about dressing casually as a man in his 30s.