Lorpen Uniform Merino Socks 37.5% Merino/ 37.5% Acrylic/ 15% Nylon/ 10% Lycra Imported High Lycra content keeps the socks in place on your ankles for added comfort Full Medium Cushioning 37.5% Merino, 37.5% Acrylic, 15% Nylon, 10% Lycra