Go for a simple but at the same time cool and casual option by opting for a white long sleeve shirt and navy jeans. If you're wondering how to finish, introduce a pair of dark brown leather desert boots to your getup. While it can be tricky to stay fashionable on extra cold days, it's combos like this that prove it's actually possible. So if you're searching for fashion tips on how to dress as you reach your 30s, this getup is definitely worth saving for later.