polyolefins suitable polymeric foams for the present invention will generally have a foam density between 10 and 300 kg m 3 suitable polymer foams for material composition of the polymeric foam structure include but are not limited to polyurethane polypropylene low density polyethylene two polymer blend foams comprising low density polyethylene and an ethylene copolymer two polymer blend foams comprising polypropylene and a thermoplastic elastomer two polymer blend foams comprising high density polyethylene and polystyrene three polymer blend foams comprising high density polyethylene polystyrene and low density polyethylene and three polymer blend foams comprising high density polyethylene polystyrene and linear low density polyethylene preferred polymeric foams for the present invention have a foam density between 20 and 100 kg m 3 most preferred polymeric foams for the present invention have a foam density between 25 and 65 kg m 3 the polymeric foam structure of the present invention can be made by a batch process such as by thermoforming or by a continuous process preferably the polymeric foam structure is made in a continuous process according to one batch process for the present invention sheet lengths of the polymeric foam sheet are placed in a thermoforming oven with localized heating elements and heated to the softening point of the polymeric foam sheet the band and the desired embossed pattern are impressed upon the softened area by the platens of the thermoforming apparatus according to one continuous process of the present invention polymeric foam sheet either from roll stock or from continuous foam sheet manufacturing equipment is drawn continuously through a rotating roller stand containing at least two heated cylindrical rolls the heated cylindrical rolls are heated to a temperature that is sufficient to permanently deform the polymeric foam after the sheet comes in contact with.