MBT Sport Black strengthens the muscles of feet and forces you to have a better posture and gait so that it can shape your body. *The features of 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 MBT Sport Black 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 Sport White and MBT Lami Birch.