HI-FUNCTION - If you are an avid hiker, walker or hunter then these hi-function system merino wool socks will be a great addition to your sock drawer. MERINO WOOL - These socks are made out of merino wool, a highly effective thermal insulator that will keep your feet warm and toasty KNEE HIGH - They are also extra-long, covering your leg below the knee, keeping your legs warm as well as your feet. CUSHIONED FOOT- These socks have a cushioned foot, so if you are planning to hike, hunt or work on rough terrains then these socks will keep your feet protected. THREE SIZES - These Dr Hunter extra long merino wool socks come in a one pair pack, are in green and they are available in 3 sizes