This smart combo of a grey herringbone wool blazer and a white vertical striped dress shirt is extremely easy to put together in no time, helping you look awesome and prepared for anything without spending a ton of time combing through your wardrobe. Tobacco leather brogues are guaranteed to breathe an air of refinement into this getup. Longer daylight hours call for cooler outfits like this one. All in all, a smart option when it comes to fashion tips for gentlemen in their 30s.