Ichi ndi chikwama chosungiramo siliva chowoneka bwino chokhala ndi nsalu yopangidwa ndi nsalu yasiliva ya ABS, aloyi yasiliva yapamwamba kwambiri, ndi zida zasiliva. Ili ndi dongosolo lolimba komanso mphamvu yonyamula katundu, ndipo imakhala ndi 4mm EVA mkati, yomwe ingateteze bwino mbiriyo.
Ndife fakitale yomwe ili ndi zaka 15, yomwe imagwira ntchito kwambiri popanga zinthu zosinthidwa makonda monga zikwama zodzikongoletsera, zodzikongoletsera, milandu ya aluminiyamu, maulendo othawa, etc.