Prestigious propellant material and with greater comfort. 3mm thick. Prestigious propellant material and great comfort. Great duration. It combines comfort and support, while fighting odor with its environmentally friendly biocide treatment. Moisture transport and its antimicrobial action are benefited by the open cell structure of the polyurethane foam and the FDA approved biocides used, thus helping to inhibit the accumulation of bacteria. Propellant and breathable. Ideal for athletes or risk foot. It must be borne in mind that it is a material that, due to its characteristics, presents small spots that appear in the manufacturing process. Something natural in the material and that does not affect its quality.