This smart casual pairing of a white crew-neck t-shirt and a charcoal suit is super easy to pull together in seconds time, helping you look seriously stylish and ready for anything without spending a ton of time combing through your closet. Go off the beaten track and change up your outfit by sporting a pair of navy canvas slip-on sneakers. So if it's a blazing hot hot weather day and you want to look sharp without putting too much effort, this getup will do the job in no time. So if you need dressing tips for 30-year-old gents, this ensemble is definitely worth saving for later.