Made with high-grade Australian Merino wool and a 200-needle count for flexibility and comfort. Our socks offer mild-moderate compression (15-20 mmHg) - appropriate for all day, everyday wear. This style also comes with 20-30 mmHg compression level. Compression level: 15-20 mmHg Material: 45% Nylon/40% Merino Wool/15% Spandex (Latex-free) Designed in Missoula, MT. Made in Taiwan.