For a surefire relaxed casual option, you can never go wrong with this pairing of a light blue denim shirt and blue denim overalls. And if we're talking casual outfit ideas for young guys, this combination is a good look on most gentlemen.
Light Blue Denim Shirt with Blue Denim Overalls Casual Warm Weather Outfits For Men In Their 30s
This is hard proof that a light blue denim shirt and blue denim overalls are awesome when married together in a bold casual look. You could perhaps get a little creative with footwear and lift up your outfit by finishing with a pair of grey leather chelsea boots. A reliable option outfit appropriate for 30-year-old men who like to dress casually.