An impact absorbing member for a vehicle comprising of a plurality of synthetic resin foams arranged in a stack has been patented. Each foam comprises a hard skin layer and a foamed layer entirely enclosed within the skin layer. Inside, a plurality of irregular sections of projections and depressions that mate with each other are formed by superimposed surfaces of the plurality of foams. Iside of this, a void is formed between the superimposed surfaces of the plurality of foams.