If you're a fan of classic pairings, then you'll like this combination of a red long sleeve shirt and a grey crew-neck t-shirt. On the footwear front, this outfit is complemented brilliantly with black and white canvas low top sneakers. This outfit suggests how to keep slaying in the casual style department as a 40-something.
Try pairing a red long sleeve shirt with a grey crew-neck t-shirt to assemble an interesting and modern-looking relaxed casual ensemble. Let your styling skills truly shine by complementing this ensemble with a pair of dark brown leather casual boots. Relaxed casual looks for stylish guys in their forties aren't actually that hard, as you see here.