Uma kuziwa ekujabuleleni usuku echibini noma olwandle, ukuba negiya elifanele kungakwenza umehluko wonke. Into eyodwa ebalulekile ongacatshangelwa isikhwama se-EVA esilula esenzelwe ngokukhethekile ukuphuma okunjalo. I-EVA, noma i-ethylene-vinyl acetate, iyinto ethandwayo eyaziwa ngokuqina kwayo, ukuguquguquka kwayo, nokumelana namanzi, ukwenza kube ukukhetha okufanelekile kwamasekelo asolwandle namachibi. Izikhwama ze-lightweight EVA ar