Uber stylish and comfortable, this laid-back combination of a blue denim jacket and navy skinny jeans delivers variety. Finishing with black leather chelsea boots is a guaranteed way to give a dash of refinement to your getup. Keep this combination in your front hall wardrobe when warmer days are here, and we promise you'll save a ton of time crafting what to wear on more than one occasion. When it comes to casual fashion for 30-year-old guys, this getup looks great on almost any guy.