Junk item Size EUR42 UK8 The condition is not good, so it is listed as junk. How about giving it a try? Please use it to try out the feel of MBT shoes. Returns are not accepted, please understand. Main color...Black Balance shoes MBT (MBT) shoes are a Swiss shoe brand, functional shoes developed by researching the walking style of the Masai people. The soles of the shoes reproduce unstable ground, resetting the body's distortion and aiming to improve posture and walking. The features of MBT shoes are as follows: The soles are soft and the heels are rounded and sink in. It has a sole structure called a rocker bottom that is curved back and forth. It is equipped with an "MBT sensor" under the heel. The effects of MBT shoes include the following: Improvement of posture and walking Improvement of lower back pain and stiff shoulders Strengthening of abdominal muscles, back muscles, and gluteal muscles Improved exercise rate of calves and hamstrings Improvement of knee pain and blood circulation disorders Reduction of visceral fat Activation of the brain MBT shoes are certified by the American Podiatric Medical Association (APMA).