RT250417 ni insole ya siporo ya EVA ikora neza cyane, yagenewe kongera ihumure, ituze, no guhumeka mu gihe cy'imikino cyangwa igihe kirekire cyo kugenda buri munsi. Imiterere yayo ihuza ishingiro rya EVA rihumeka, imitako ya gel, n'urwego rwo hejuru rw'igitambaro cya mesh kugira ngo itange uburambe bungana bukwiriye inkweto za siporo n'inkweto zikora.

Ikintu cy’ingenzi muri ubu buryo ni inkunga y’umugongo wa gel. Ishyizwe ku ruhande rw’umugongo, iyi gel yoroshye itanga inkunga ifasha gutuza ikirenge mu gihe ikomeza kwemerera koroherwa n’amaguru. Ifasha mu kugabanya umunaniro w’umugongo mu gihe cyo kugenda cyane nko kugenda, kwiruka, cyangwa guhagarara igihe kirekire, bigatuma ikwiriye abakoresha bakunda inkunga yoroshye ariko ikora neza.

Uduce tw’imbere n’utw’ikirenge cyo hagati dufite imiterere y’urukuta rw’umwuka, rutuma umwuka ukomeza gutembera no kugabanya ubushyuhe bwinshi. Iyi miterere ya EVA itobotse ntiyongerera gusa ubushobozi bwo guhumeka ahubwo inagabanya uburemere muri rusange, ibi bikaba ingirakamaro ku nkweto za siporo n’izikora neza. Igitambaro cyo hejuru cy’umugozi kirushaho kugira uruhare mu gucunga ubushuhe no kunoza uburyohe bwo kwinjira mu nkweto.