Zappos.com is proud to offer the MBT - Kimondo (Chime) - Footwear: MBT is the first physiological footwear that has a positive effect on the whole body. ; Make every step count towards health and well-being with the Kimondo. ; Breathable synthetic and 3-D mesh and upper with extra-durable laces and loop eyelets. ; Antimicrobial DryCool mesh and foam sock lining allows for breathability and assists moisture management. ; Perforated EVA insole provides added cushioning with antibacterial treatment to reduce odor. ; Dual-board TPU and glass fiber shank adds firmness to sole construction and also 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. ; Durable rubber outsole offers lightweight support with good traction. ; Weight: 1 lb 1 oz ; Product measurements were taken using size 42 1/3 (US Men's 9). Please note that measurements may vary by size.