Chigadzirwa ichi chine musanganiswa wakasiyana-siyana wezvinhu, zvinosanganisira dehwe remhando yepamusoro, PU yakasimba (polyurethane), jira rinoshandisika zvakasiyana-siyana, uye EVA yakasimba (ethylene vinyl acetate). Chigadzirwa chimwe nechimwe chinosarudzwa nekuda kwehunhu hwacho hwakasiyana, zvichivimbisa maitiro uye mashandiro. Dehwe rinopa runako rwechinyakare, rwemhando yepamusoro, nepo PU ichipa imwe nzira isingakuvadzi nharaunda, isina kusimba. Sarudzo dzemachira dzinowedzera magadzirirwo uye kufema, zvichiita kuti chigadzirwa chikwane munzvimbo dzakasiyana-siyana. Pamusoro pezvo, EVA inobatsira mukunyaradzwa kwese uye kunyudzwa kweshock, zvichiita kuti iyi ive sarudzo yakakodzera kune avo vari kutsvaga kuenzana kwerunako uye mashandiro.