The ultimate foundation for laid-back style? A charcoal long sleeve t-shirt with black leather jeans. If you want to immediately dial down this outfit with footwear, why not complete your getup with black leather high top sneakers? So if it's a super hot summertime afternoon and you want to look on-trend without putting too much effort, this ensemble will do the job in next to no time. This pairing illustrates how to stay fashionable after thirty.