MBT Lami Caviar Black Nubuck Mesh Footwear: MBT is the first physiological footwear that has a positive effect on the whole body, Stimulate muscles and strengthen the body in the sporty 'Lami' mary jane. ; Scratch-resistant nubuck and single-layer mesh upper with an adjustable hook-and-loop instep strap for a customized fit. ; Antimicrobial DryCool mesh and foam sock lining allows for breathability and assists moisture management. ; TPU and glass fiber shank adds firmness to sole construction and ensures a natural rolling movement of the foot for even weight distribution. ; PU midsole with pivot is the balancing section underneath the metatarsus which requires an active rolling movement with every step. ; This activates a large number of stabilizing muscles throughout the whole body when walking or standing. ; Masai Sensor Masai Barefoot Technology creates a pleasant feeling of walking on a sandy beach or soft moss. ; Instantly offers a natural instability to which the body automatically reacts, increasing muscle activity. ; Rubber outsole made of 20 different compounds to provide the perfect blend of grip and durability. ; 14.00 oz. ; Product measurements were taken using size 35 US Women's 5.5. Please note that measurements may vary by size.