Consider pairing a cardigan with brown chinos for both stylish and easy-to-style outfit. Finishing off with dark brown leather sandals is a surefire way to add an element of stylish nonchalance to your ensemble. One actually can look light and breezy under the sweltering heat, and this outfit is a good illustration of just that Now that's a look that's bound to make you stand out among other 30-something gents.