A 15-year-old boy from Oxfordshire has size 19 feet.
Sam Preston, who is also 6ft 6in tall, has admitted people stare at him in the street because of his enormous feet and impressive physical stature.
The teenager told the Daily Mirror newspaper: "People will just stop and stare at me in the street.
"All of my family and friends are used to the size of my feet.
"That's not that bad, but I hate when people talk behind my back."