A close-fitting, lightweight, mid-length sock constructed from ISOFIL performance yarn & ring polyester, for conditions where maximum breathability & moisture management are imperative. ISOLFIL yarn in the heel, footbed & toe regulates body temperature, warming when you are cold & cooling when you sweat Ring polyester bridge, shin & calf is soft & lightweight for comfort Tight terry loop inner texture maximises surface area which allows rapid wicking of moisture away from the skin Vented bridge panel increases cool airflow to reduces temperature The cool/dry micro-climate prevents odour causing bacteria from thriving, resulting in comfortable, odourless feet Padded heel, toe & footbed absorb shock, guard against pressure & friction which reduces the risk of blistering Padded lace protector panel reduces pressure & discomfort Hand linked toe closure creates a flat construction to prevent rubbing Elasticated ankle & instep offer support & a comfortable fit Double cuff for a more secure fit Left & right specific design for even greater comfort & fit