These lorpen mens t3 lightweight hiking socks are made using 3 separate layers of fibers which work together to increase levels of comfort moisture management and warmth a layer of tencel improves comfort and fit whilst a coolmax layer moves perspiration away from the body this coolmax layer moves perspiration through the fabric where it can evaporate quickly allowing you to remain cool and comfortable the final layer of nylon and ea lycra adds durability to stop them bunching up or slipp