Indwangu engalukiwe ye-Spunlace efanelekile kwi-flame composite sponge yemikhiqizo yezimoto, eyenziwe kakhulu nge-polyester fiber (PET), ukuqinisekisa ukumelana nokushisa okuphezulu kanye namandla okubopha; Isisindo ngokuvamile siphakathi kwamagremu angu-40 no-100. Lolu hlu lwesisindo lungaqinisekisa umphumela owanele wokubopha ngaphandle kokwengeza isisindo esiningi kakhulu, futhi ngesikhathi esifanayo luhlangabezane nezidingo ezilula zangaphakathi kwezimoto.
