This funny back to the future inspired t shirt features a hand drawn style logo which reads i drive at 88mph just in case in the style of the logo seen on the back to the future posters as any fan of the series will know this is the speed at which the delorean was able to travel through time if you drive at 88mph just in case then what better tee could there be for you 100 cotton inspired by back to the future t shirt please note this is not officially licensed merchandise