Made with premium cotton and 200-needle count for flexibility and comfort. Our socks offer mild-moderate compression (15-20 mmHg) - appropriate for all day, everyday wear. This design also comes in a higher medical-grade compression level of 20-30 mmHg & 30-40 mmHg. Compression level: 15-20 mmHg Material: 48% Cotton, 42% Nylon, 10% Spandex (Latex-free) Designed in Missoula, MT. Made in Taiwan.