Specifications: R-silver socks contain pure silver, a naturally occurring element. The textile fibres incorporated in the sock have been completely and universally coated with pure silver. This construction means the silver is on the outside of the fibre allowing its many natural benefits and properties to perform at their optimum. R-silver socks are high quality finished textile socks for everyday wear, just like ordinary socks. The R-Silver within the sock is permanent and irreversibly bonded, becoming a physical part of the fibre. It will not wash off, wear off or diminish in effectiveness over time and will last the lifetime of the product. Thermodynamic : Keeps feet warmer in Winter, cooler in Summer Anti-Odour: Eliminates odour by neutralising its principal causes Antimicrobial: Inhibits the growth of odour-causing bacteria Anti-Static: Reduces static electricity Thermal Conductivity The silver within the socks has the best possible thermodynamic properties, regulating the temperature within the shoe. R-Silver socks make it possible to use the existing energy generated by the feet and the environment to actively regulate temperature through heat transfer. Maintaining a regulated temperature can help reduce the risk of blistering caused by excessive friction and heat build up. R-Silver socks will keep feet cooler in the summer and warmer in the winter. Antimicrobial & Anti-Odour Silver is recognised in the medical community as a very effective antimicrobial agent, proven to kill over 400 different types of bacteria. The R-Silver fibres use pure silver to inhibit the growth of odour-causing bacteria and fungi in the socks. Bacteria are only one source of foot odour. Ammonia and denatured proteins are also significant causes of odour in hosiery products.R-Silver socks neutralise ammonia and denatured proteins because both bind readily to silver resulting in instant odour reduction.R-Silver eliminates 99.9% of bacteria in less than one hour of exposure. Anti-Static R-Silver socks reduce static electricity and electrostatic discharge. Silver is the most electrically conductive element. Electrical charges normally created by two non-conductive materials rubbing together are instantly dissipated by R-silver so socks stay static free. Natural R-silver is made with pure silver and contains no chemicals. It is safe for people and for the environment.