it creates a natural instability to which the body has to reacts so that it activates a large number of stabilizing muscles. The features of the Anti Shoes are as followed: *They encourage you to carry your weight more efficiently, promoting better posture, and creating a pleasant feeling of walking on a sandy beach. *The features a perforated EVA insole provides added cushioning with antibacterial treatment to reduce odor. * It also has a combo synthetic leather and poly mesh upper for both breathable and durable wear. *A padded tongue and collar offers added comfort for immediate wear. * MBT Shoes feature a PU midsole with pivot that is the balancing section underneath the metatarsus which requires an active rolling movement with every step. *Consumers who bought the item also purchased cheap MBT Chapa GTX and MBT Tataga Denim.