A method for making a footwear includes the steps of preparing an upper that has a bottom peripheral edge, preparing a thermoplastic skin that has a base wall and a peripheral wall and that confines an inner space, preparing a filler pad, mounting the upper on a last, preheating the thermoplastic skin to a softened state, and thermal molding the softened thermoplastic skin together with an assembly of the filler pad and the upper in such a manner that the filler pad is fittingly received in the inner space and is bonded to the base wall and the peripheral wall.