A navy shirt jacket and brown chinos are the kind of a tested getup that you so terribly need when you have zero time. Brown canvas espadrilles are an easy way to add an air of stylish casualness to your ensemble.
Pairing a purple waistcoat and brown chinos will be a good demonstration of your sartorial chops. Look at how great this outfit goes with a pair of brown leather double monks.
This relaxed casual combination of a navy crew-neck sweater and brown chinos can take on different nuances depending on the way it's styled. Dark brown athletic shoes are an effective way to give a sense of stylish casualness to your look.
Consider pairing a white and navy vertical striped blazer with brown chinos if you're going for a proper, seriously stylish look. Burgundy leather boat shoes will add a laid-back feel to an otherwise mostly classic look.
If you gravitate towards casual style, why not dress in a black open cardigan and brown chinos? Does this ensemble feel too polished? Let dark brown leather sandals change things up a bit.