MBT"s are not just a shoe in the ordinary sense. This product will not only change the way you use your muscles, but will improve the use of your joints and spine. MBT shoes are physiological footwear - the first footwear that has a positive effect on the entire body. MBT stands for "Masai Barefoot Technology." MBT sneakers and casual shoes are designed using a multi-layered, curved sole which makes for a unique and rewarding walking experience. Rich leather upper with side goring for effortless on/off wear and a secure, custom fit. Rubber outsole.