A tobacco crew-neck t-shirt and white chinos make for the ultimate casual style for any modern guy. And if you need to effortlessly perk up your getup with footwear, why not complement this look with a pair of dark brown leather casual boots? As you can see here, it's extremely easy to look amazing and stay cozy when colder weather hits, thanks to this getup. Think it's hard for guys in their forties to nail modern off-duty dressing? This combination should prove you otherwise.