RT250007 ndi soli yamasewera yochokera ku PU yopangidwira makampani opanga nsapato ndi ogulitsa omwe akufuna njira yopepuka, yopumira kwambiri komanso yofewa yotetezera nsapato zamasewera ndi moyo. Kapangidwe kake kamayang'ana kwambiri pa mpweya wabwino, kuyankha bwino komanso chitonthozo cha tsiku lonse, zomwe zimapangitsa kuti ikhale yoyenera ku nsapato zothamanga, nsapato zolimbitsa thupi, nsapato zoyenda ndi zitsanzo zamasewera ambiri.

Pamwamba pake pali nsalu yofewa, yosamva kusweka yomwe imawonjezera chitonthozo cha mapazi pamene ikusunga kugwedezeka kochepa mkati mwa nsapato. Imapereka chitonthozo chosalala panthawi yogwiritsidwa ntchito kwa nthawi yayitali ndipo imathandiza kusamalira chinyezi mwa kulola mpweya kuyenda kudzera mu insole.

Mbali yofunika kwambiri ya RT250007 ndiThupi la PU lokhala ndi mabowo aatali, yopangidwa ndi gridi ya njira zopumira mpweya zomwe zimalimbikitsa kusinthana kwa mpweya kosalekeza. Mabowo amenewa amathandiza kwambiri kupuma bwino, zomwe zimathandiza kuchepetsa kutentha kwa nsapato panthawi yamasewera kapena nthawi yayitali yoyenda. Kwa ogula, izi zikutanthauza kuchepa kwa kutentha komanso kuvala mwatsopano.

Thovu la PU lokha lapangidwa kuti ligwiritsidwe ntchitokubweza kofewa kotanuka, zomwe zimapangitsa kuti pansi pa phazi pakhale pofewa komanso poyankha. Zimasinthasintha malinga ndi kusintha kwa mphamvu pakasuntha, kugawa mphamvu zogundana pa chidendene, pakati pa phazi ndi kutsogolo kwa phazi pamene zikuchirikiza nthawi zonse. Kusankha kwa zinthuzi kumawonjezera chitonthozo popanda kuwononga kulimba, zomwe zimapangitsa kuti chidendenecho chikhale choyenera kugwiritsidwa ntchito tsiku ndi tsiku pafupipafupi.