Izi zimapangidwa ndi 60% polyester, 34% nsungwi fiber ndi 6% spandex, zomwe zimakhala ndi ntchito yaumoyo ya nsungwi zachilengedwe, ndipo zimakhala ndi ulusi wopangidwa ndi anthu, ndipo zimatengera zabwino za nsungwi. Nthawi yomweyo, popanga nsalu, timatengeranso ukadaulo wapamwamba wapadziko lonse lapansi, kuti nsaluzo zikhale ndi mikhalidwe yabwino kwambiri monga zofewa kwambiri, zokometsera khungu, zopumira, ndi zina zambiri, komanso kukhala ndi kukana kwabwino komanso chitetezo, zomwe zimatha kupirira mayeso ndi kuyesa kwamitundu yosiyanasiyana yovuta komanso yovuta.