If it's comfort and practicality that you're seeking in an ensemble, try pairing a dark green crew-neck t-shirt with navy jeans. If you're not sure how to finish, throw in navy and white canvas low top sneakers. So if it's a blazing hot summer day and you want to look stylish without putting in too much work, this getup will do the job in no time. Those who are curious whether you can still sport cool casual style as you go into your 40s, you have your answer.