Black Pack of 2 Wool Rich Socks. Our Merino wool rich socks will keep your feet luxuriously cosy. Want to treat your feet to warmth & comfort? Our Merino wool rich socks will keep your feet luxuriously cosy. In packs of two, calf length for added warmth & comfort. 80% Merino Wool, 20% Polyamide. Pack of 2 pairs Calf length for warmth Quality Merino wool rich blend