MBT Fumba Shoes,MBT activates the whole body: Activates Neglected muscles;Improves posture and gait; Tones and shapes the body;Can help with back,hip,leg and foot problems;Can help with joint, muscle, ligament and tendon injuries;Reduces stress on knees and hip joints.Masai Barefoot Technology or MBT is not just a shoe in the ordinary sense-it is a revolutionary fitness aid from Swiss Masai.This product will not only change the way you use your muscles,but will improve the use of your joints and spine. The uniquely designed sole,combined with correct training, achieves a more active and healthy posture and walk.