The 1000 mile ultra performance cupron ladies walking socks feature cupron enhanced yarns with copper fibres to prevent build up of bacteria causing odour and poor foot health and use heel power technology that ensures a firm fit by locking the foot in place these lightweight and breathable socks guarantee blister free walking and hiking and give you extra support thanks to arch bracing there are also padded comfort zones for a soft cushioned feel and the socks are suitable for 3 season use