Hoʻonui hou i ka wela kiʻekiʻe, ka lepo lepo a me ka anti-aging, i hana ʻia me ka polyurethane, ʻaʻahu-kūpaʻa, tensile-kūpaʻa, waimaka-kūpaʻa, kiʻekiʻe-ikaika, compression-kūpaʻa, kiʻekiʻe-compression-kūpono a me ka compressive, e hoʻonui i ka hopena o ka haʻalulu a pūnāwai e hoʻonui i ka paʻa o ke kaʻa .