Polyurethane (PU)

Polyurethane (PU) soles mean extended life and greater comfort with an extremely lightweight sole. The main compound of PU sole is Polyurethane which is a compound that consists of many tiny air bubbles to provide unbeatable shock absorption and durability. Different densities of polyurethane can be achieved by varying the amount of air bubbles in the compound, which will vary a sole’s shock absorption and durability capacity.