Choose an olive denim shirt and navy skinny jeans to create a really sharp and city casual outfit. White canvas high top sneakers will be a welcome complement for your look. So if it's a boiling hot summer afternoon and you want to look on-trend without exerting much effort, this ensemble will do the job in no time. Gents who wonder how to sport cool off-duty dressing as you go into your 30s, this outfit should answer your question.