Bamboo & alum fresh – Comfortable and hygienic insoles to provide a feeling of freshness in normal and intensive physical activity. The insoles are produced from bamboo fiber, activated carbon and natural potassium alum – ingredients that inhibit the multiplication of pathogenic fungi and bacteria. Insoles well absorb sweat secreted by the foot, ensuring freshness and hygiene of your feet every day. Latex foam layer provides a soft feel, increasing comfort while walking. Designed for urban footwear, leisure, sport and vocational training, especially for people with excessive sweating of the feet and mycosis of feet. Insole can be hand washed at 300 degrees Celsius.