This relaxed casual combo of a grey shirt jacket and a navy crew-neck t-shirt is very easy to pull together in next to no time, helping you look amazing and prepared for anything without spending too much time digging through your wardrobe. Introduce black and white canvas high top sneakers to your getup to infuse a dash of stylish casualness into your ensemble. Think it's hard for mature guys to master cool casual outfits? This pairing is hard proof of otherwise.