Elastofoam
The advent of polyurethane soles revolutionized the footwear industry, and today, most shoes are made using this material. Polyurethane can be used in the inner, middle, and outer layers of shoes, depending on the need and application. It is a popular choice among footwear designers due to its good flexibility at low temperatures, resistance to wear and tear, and the ability to be produced in various densities depending on the level of porosity required. Additionally, when polyurethane is used in the outer soles of shoes, polyester polyols are often employed in their production, as they provide better abrasion resistance than polyether-based materials.
