The??women's socks feature a subtle geometric pattern and??feature four zones of graduated compression, which promotes circulation, minimizes swelling, reduces foot fatigue, and minimizes??varicose veins. Made from??a blend of merino wool, stretch nylon, bamboo rayon and spandex, they??provide 15-20 mmHg of therapeutic compression and natural arch support,??making them ideal for everyday wear. 32% Merino Wool, 32% Bamboo Rayon, 32% Stretch Nylon, and 5% Spandex. Non-binding welt top keeps the top of the sock perfectly in place on your calf. Arch support keeps your foot comfortable and supported all day. Seamless toe closure ensures your toes won't get irritated. Non-cushion sole fits into all of your favorite shoes. 15-20 mmHg of therapeutic compression. Length: Knee high. Machine wash. Made in the USA. 845028045790 34039100035 SW36W