EVA: Ultra lightweight / shock absorbing / flexible /energy absorbing
Polyurethane (PU): Lightweight / shock absorbing /energy absorbing /wear resistant / insulating
Rubber: Very flexible / wear resistant / durable / perfect for producing very detailed soles
Smartlite 660: Extremely wear resistant / Ultra lightweight / flexible and springy / complies with the European Eco label / energy absorbing
Technical Rubber (TR): Wear resistant / flexible / lightweight.