Such pieces as a white crew-neck t-shirt and brown chinos are the perfect way to infuse some cool into your current casual lineup. When it comes to footwear, this outfit pairs really well with white leather low top sneakers. So if it's a roasting hot hot weather afternoon and you want to look sharp without exerting much effort, this getup will do the job in next to no time. How's that for style inspiration for casual dressing in your thirties?