MBT Masai Barefoot TechnologyMBTShoesunique design, multi-level, the only cure is designed to simulate walking in sand 'similar to walking in the natural environment in Kenya Masai'. This creates a natural, uneven walking surfaces, and use of physical force and stability of the major muscle groups, training the body to move correctly.It has a positive effect on the whole body,help improve posture, reuce back pain, and alleviate joint pressure. New MBT Changa will be your best healthy life partner.