X-Staic Silver is permanent and irreversibly bonded - will not wash over or diminish over the lifetime of the product. Offers relief for sufferers of Diabetes, Chilblains, epdermolysis Bullosa, Circulation Disorders. Thermodynamic to keep feet warm in Winter and cool in the Summer. Anti-odour by neutralising its principle causes. Antimicrobial to inhibit the growth of odour causing bacteria.