For an ensemble that's very easy but can be modified in many different ways, consider wearing an orange crew-neck sweater and jeans. This outfit is most probably exactly what you're looking for as a 30-year-old.
Orange Crew-neck Sweater with Jeans Warm Weather Outfits For Men In Their 30s
Marry an orange crew-neck sweater with jeans to show you've got serious styling prowess. Black suede desert boots are a wonderful choice to complement your look. Style like this is what ultimately will gain you respect from your peers and everyone else.
An orange crew-neck sweater and jeans are a good combination worth having in your casual arsenal. Look at how well this ensemble is finished off with purple low top sneakers. This combo proves that turning 30 is no reason to shed casual style altogether.
This casual combo of an orange crew-neck sweater and jeans is super easy to throw together in next to no time, helping you look seriously stylish and prepared for anything without spending too much time rummaging through your wardrobe. Complete this ensemble with navy print low top sneakers et voila, this ensemble is complete. A cool, less conservative outfit for a young guy.