This smart casual pairing of a field jacket and a navy vertical striped suit is extremely easy to throw together without a second thought, helping you look amazing and prepared for anything without spending too much time going through your wardrobe. With footwear, go for something on the classier end of the spectrum and complement this outfit with a pair of dark brown double monks. As you can see, it's very easy to look stylish and stay comfortable when colder days are here, thanks to this getup. If you're worried about dressing your age, this ensemble is a goofproof option.