The MBT Lami Shoes Civiar Black have a PU midsole which requires an active rolling movement with every step and the work horse of this shoe. They also feature a single layer mesh upper, scratch resistant nubuck, and also offer a secure and customized fit with their adjustable hook and loop instep strap. Breathability is second to none because of the antimicrobial dry&cool mesh and the sock lining which are great assistants in managing moisture. These shoes also have TPU and glass fiber shank that add firmness to the sole and ensures a natural rolling movement. The MBT Lami Shoes Civiar Black is a shoe designed to copy walking on a beach in the sand. They recreate this feel by utilizing a multi-layered sole. It promotes an uneven walking surface, therefore working your muscles more. Other features of this technology include a better posture, improved back strength and helps increase shock absorption for the joints.