These socks are something out of the ordinary. They are made in a mix of isolating Primaloft with merino-wool, nylon and elastane. This combination makes a soft, warm and stretchy sock. Kilkee socks is designed to fit right and left foot and also has an elastic section to give support. Your feet will love these socks! Color: Olive Material: 38% Primaloft Silver Yarn, 38% Merino-wool, 22% Nylon, 2% Elastane.