These are officially licensed Super Mario socks, guaranteed or your money back! Super Mario is one of the greatest video game franchises ever! From the classic NES to the Nintendo Switch, Super Mario Video games have been a constant smash hit! Each one of the 2 individual pairs of crew socks features a costume style design of the 2 famous plumbers from the series, Mario and Luigi. These socks have a reinforced toe and heel for extra comfort. They are made of a soft 98% polyester / 2% spandex fabric blend. It is a sock Size 10-13 Fits Men shoe size 8-12 and women's shoe size 7-13 best