The IsoCool Mens Trek Socks are great for long country walks and hiking holidays. Made in a thick, soft polyester-cotton blend with our IsoCool fabric treatment, to ensure your feet stay comfortable and dry. Fabric composition - made of 61% Polyester, 34% Cotton, 4% Elastodiene, 1% Elastane IsoCool - our IsoCool fabric is quick dry, highly breathable and wicks away perspiration from your body to keep you fresh Great for - long country walks, treks and hiking holidays