Sport is health! But what about your feet? During physical exertion such as running their loadcan increase up to tenfold. Destroyed shoe lining leads to foot pain and strong sweat and swelling release promotes chafing. To ensure the comfort of feet in such extreme conditions the need for recordbreaking solutions that is Coccin an expert on difficult topics.A thin extremely lightweight cellulose fiber insert contains refreshing capsules with essential oils which gives a feeling of comfortall day long. The feet do not overheat or get cold stay dry and fresh. The nonslip backsheet keeps the insert in place. They inhibit the growth of microorganisms and absorb sweat. It's thin so it fits all kinds of shoes.The refreshing effect lasts 57 days. Recommended especially in summer.For frequent replacement 3 pairs in the package.Sizes to choose from: 36/38 39/41 42/44 with the possibility of cutting.