The sealskinz mtb trail mid sock is a performance single layer mid length close fitting sock designed specifically for mtb for conditions where maximum breathability and moisture management are imperative the isolfil yarn regulates body temperature warming when you are cold and cooling when you sweat and the tight terry loop inner texture in these mountain bike socks maximises surface area which allows rapid wicking of moisture away from the skin sealskinz mtb trail mid sock has a padded he